Feb 3, 2565 BE ... CK-12 offers innovative STEM resources that will increase student engagement in your science class - all for free! CK-12 FlexBooks® are ...opening through which water flows out of a sponge. Porifera. invertebrate phylum of sponges, which have a non-bony endoskeleton and are sessile as adults. sessile. of or relating to an animal that is unable to move from place to place. spicule. the short, sharp rod that makes up the sponge endoskeleton. spongin.Term. Definition. haploid. having only one chromosome of each type; gametes are haploid. homologous chromosomes. pair of chromosomes that are similar in size, shape, and genetic content. meiosis. type of cell division in which the number of chromosomes is reduced by half and four haploid cells are produced.Access CK-12 anytime and on-the-go. 2008 FlexBook® Textbooks Launch. CK-12 launches fully customizable Math and Science textbooks that are free for the world to download or view online. 2007 CK-12 was born. A small, …Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun and the rest of the solar system formed. Gravity caused small bodies of rock and metal orbiting the proto-Sun to smash together to create larger bodies. Over time, the planetoids got larger and larger …CK-12 offers free resources for students, parents, teachers, schools, and districts to learn STEM concepts and skills. Explore interactive lessons, concept-based learning, adaptive practice, interactives, assignments, …Set up remote learning quickly with CK-12. Hand-picked math and science lessons, popular during this time of year, ready to be shared. Always free.The Next Generation Science Standards (NGSS) is a nationwide effort to evolve a framework of rigorous K-12 cross-disciplinary standards for students learning science. We can help you find CK-12 content that is aligned to these standards and make it available to these classes. Use our Next Generation Science Standards Browser to see concepts ...Systemic Circulation. Systemic circulation is the part of the circulatory system that carries blood between the heart and body. It is illustrated in Figure below. Oxygenated blood leaves the left ventricle through the aorta. The aorta and other arteries transport the blood throughout the body, where it gives up oxygen and picks up carbon dioxide.Starting to forget what you learned this year? We're here to help! Catch up on math and science classes with CK-12's FlexLets™, designed to make sure that ...Chemistry. Simulations - Discover a new way of learning Physics using Real World Simulations. PLIX - Play, Learn, Interact and Xplore a concept with PLIX. Chemistry is a …Refraction ... Refraction of light in matter and how light changes its speed and angle of refraction according to... 65.Spelling. Spelling is the branch of English Language Arts that focuses on vowels and consonants, patterns of letters and the sounds they make, combining bases and affixes, breaking words into parts, and even some punctuation marks. You can use these patterns and rules to determine how to spell, as well as how to pronounce, various words and ... Grade K–5 Science FlexBooks. ®. CK-12 Kindergarten Science. CK-12 First Grade Science. CK-12 Second Grade Science. CK-12 Third Grade Science. CK-12 Fourth Grade Science. CK-12 Fifth Grade Science. มีดคัตเตอร์ CK12 · คุณสมบัติ. ○ สามารถใช้ ใบมีดลบคม มีดที่มีวางจำหน่ายทั่วไป ○ แผ่นยิปซัมที่มีความหนา 12 มม. สามารถตัดได้ด้วยใบมีดสำหรับแผ่นยิปซัมในครั้งเดียว · สเปค....The molar mass of CaCl 2 is 110.98g/mol. The conversion factor that can be used is then based on the equality that 1mol = 110.98gCaCl 2. Dimensional analysis will allow you to calculate the mass of CaCl 2 that you should measure. 3.00molCaCl 2 × 110.98gCaCl 21mol CaCl 2 = 333gCaCl 2. When you measure the mass of 333g of CaCl 2, you are ...The eukaryotic cytoskeleton is made up of a network of long, thin protein fibers and has many functions. It helps to maintain cell shape. It holds organelles in place, and for some cells, it enables cell movement. The cytoskeleton also plays important roles in both the intracellular movement of substances and in cell division.Welcome to CK-12 Foundation | CK-12 Foundation. View this on CK12.org.CK-12 launches fully customizable Math and Science textbooks that are free for the world to download or view online. 2007 CK-12 was born. A small, yet talented group ... Interact with Your Math & Science Textbooks in a Whole New Way. Practice and play to learn new concepts and increase comprehension! Start Learning.FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.The kidneys are a pair of bean-shaped organs just above the waist. A cross-section of a kidney is shown in Figure below. The function of the kidney is to filter blood and form urine. Urine is the liquid waste product of the body that is excreted by the urinary system. Nephrons are the structural and functional units of the kidneys.Reimagine student learning. Become CK-12 Certified. CK-12 offers a comprehensive Certified Educator Program with thousands of educators participating from around the globe. Join this newly redesigned self-paced course to explore all of CK-12’s offerings and complete your certification. Join. CK-12 Certified Educator Program - Promo Video. CK-12 CBSE Maths Class 9. This interactive CBSE Math Class 9 course has been designed to support the evolution in Mathematics pedagogy. The intent is to encourage you to develop conceptual understanding using the content and skills of mathematics, in order to promote deep learning. This is a complete, full-year coursebook …When stating that two triangles are congruent, use a congruence statement. The order of the letters is very important, as corresponding parts must be written in the same order. Notice that the congruent sides also line up within the congruence statement. A B ¯ ≅ L M ¯, B C ¯ ≅ M N ¯, A C ¯ ≅ L N ¯. We can also write this congruence ...Save teachers time and engage students with a new, simpler interface!Term. Definition. haploid. having only one chromosome of each type; gametes are haploid. homologous chromosomes. pair of chromosomes that are similar in size, shape, and genetic content. meiosis. type of cell division in which the number of chromosomes is reduced by half and four haploid cells are produced.Current = 12 v o l t s 2 o h m s = 6 amps. Q: If a 120-volt voltage source is connected to a wire with 10 ohms of resistance, how much current is flowing through the wire? A: Substitute these values into the equation for current: Current = 120 v o l t s 10 o h m s = 12 amps. Explore how Ohm's Law affects the current in a circuit by launching ...CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.We would like to show you a description here but the site won’t allow us.We would like to show you a description here but the site won’t allow us.CK-12 Biology. Difficulty Level: At Grade | Created by: CK-12. Last Modified: Aug 12, 2021. Read Resources Details. Table of Contents. 1.0 What is Biology? 2.0 The Chemistry of Life. 3.0 Cellular Structure and Function. 4.0 Photosynthesis and Cellular Respiration. 5.0 The Cell Cycle, Mitosis, and Meiosis.FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell. The cell wall also prevents the plant cell from bursting when water enters the cell. Microtubules guide the formation of the plant cell wall. Cellulose is laid down by enzymes to form the primary cell wall.Oct 6, 2015 · Chromosomes and Genes The DNA of a chromosome is encoded with genetic instructions for making proteins. These instructions are organized into units called genes.Most genes contain the instructions for a single protein. FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.CK-12 Foundation is a non-profit organization that offers free, standards-aligned, open content in the STEM subjects for K-12 students all over the world. Learn about their …CK12-Foundation offers free online courses in science, math, social studies, photography and adult education. You can browse, study and practice thousands of questions and topics, and access interactive and adaptive learning tools. The Next Generation Science Standards (NGSS) is a nationwide effort to evolve a framework of rigorous K-12 cross-disciplinary standards for students learning science. We can help you find CK-12 content that is aligned to these standards and make it available to these classes. Use our Next Generation Science Standards Browser to see concepts ... A high creatine kinase reading on a blood test generally means there has been some recent muscle damage, explains the American Association of Clinical Chemistry Lab Tests Online. T...FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.Adult Education. Basic Education. High School Diploma. High School Equivalency. Career Technical Ed. English as 2nd Language. We would like to show you a description here but the site won’t allow us.FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.This is why district leaders choose CK-12 Watch Video Tens of Thousands of Free, Customizable STEM Resources With thousands of STEM concepts covered, there are multiple ways to teach each one of them and they are all customizable to fit your needs! CK-12 Interactive Middle School Math 7. This is 7th Grade Math like you've never seen it before, with gobs of interactivity included in every lesson. Some lessons include videos, or hands-on activities, but they ALL include interactives (we call them PLIX and Sims). Even the review questions are interactive, with helpful feedback to let you ...FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.Linear momentum is defined as the product of mass and linear velocity (p = m v).In the same way, angular momentum is defined as the product of rotational inertia and angular velocity.The formula for angular momentum is stated as: L = I ω. where I is the rotational inertia (a term related to the distribution of mass) and the Greek letter omega ω …"What if I f*ck this up?" thinks the mother whose children will be e-learning from home this fall, the mother who decided to homeschool her children, the mother who plans...Term. Definition. carbon cycle. biogeochemical cycle through which carbon is recycled through the atmosphere, biosphere, and geosphere. photosynthesis. process in which cells use carbon dioxide, water, and light energy to make oxygen and glucose, an energy-storing sugar.Air pollution can cause precipitation to become acidic. Nitrogen and sulfur oxides, mainly from motor vehicle exhaust and coal burning, create acids when they combine with water in the air. The acids lower the pH of precipitation, forming acid rain. If acid rain falls on the ground, it may damage soil and soil organisms.When stating that two triangles are congruent, use a congruence statement. The order of the letters is very important, as corresponding parts must be written in the same order. Notice that the congruent sides also line up within the congruence statement. A B ¯ ≅ L M ¯, B C ¯ ≅ M N ¯, A C ¯ ≅ L N ¯. We can also write this congruence ...CK12-Foundation. Science Math Social Studies Photography Adult Education Country.The Moon is Earth’s only natural satellite, a body that moves around a larger body in space. The Moon orbits Earth for the same reason Earth orbits the Sun — gravity. The Moon is 3,476 km in diameter, about one-fourth the size of Earth. The satellite is also not as dense as the Earth; gravity on the Moon is only one-sixth as strong as it is ...Nov 4, 2564 BE ... CK-12 continues to make exciting changes to our platform. Whether you are brand new to CK-12 or one of our power users, this webinar is for ...School closure: How to teach online and learn from home with CK-12. Set up remote learning quickly with CK-12. Hand-picked math and science lessons, popular during this time of year, ready to be shared. Always free. Foster critical thinking skills with practice problems, video hints, and full step-by-step solutions, all clearly aligned with Common Core standards.This can include CK-12 content and links to external content. The Q&A section of classes allows you to conduct class discussions. You can also view reports on student progress, and manage class membership. Classes also allow you to assign practices and quizzes (also called "assessments") to your students. ...Practice thousands of K-12 Math and Science concepts and assignments for on CK-12. Free, forever!Welcome to CK-12 Foundation | CK-12 Foundation. View this on CK12.org.opening through which water flows out of a sponge. Porifera. invertebrate phylum of sponges, which have a non-bony endoskeleton and are sessile as adults. sessile. of or relating to an animal that is unable to move from place to place. spicule. the short, sharp rod that makes up the sponge endoskeleton. spongin.Adult Education. Basic Education. High School Diploma. High School Equivalency. Career Technical Ed. English as 2nd Language. A niche is the role a species plays in the ecosystem. In other words, a niche is how an organism “makes a living.”. A niche will include the organism's role in the flow of energy through the ecosystem. This involves how the organism gets its energy, which usually has to do with what an organism eats, and how the organism passes that energy ...Life Science. PLIX - Play, Learn, Interact and Xplore a concept with PLIX. Life Science is the study of life and living organisms, including their physical and chemical structure, function, development, and evolution.Aug 3, 2563 BE ... A short tutorial on scores and skill levels for CK-12's Adaptive Practice.Electromagnetic radiation occurs in waves of different wavelengths and frequencies. Infrared light and visible light make up just a small part of the full range of electromagnetic radiation, which is called the electromagnetic spectrum. The electromagnetic spectrum is summarized in the diagram in Figure below. On the far left …Interact with Your Math & Science Textbooks in a Whole New Way. Practice and play to learn new concepts and increase comprehension! Start Learning.Homeostasis refers to the balance, or equilibrium, within the cell or a body. It is an organism's ability to keep a constant internal environment. Keeping a stable internal environment requires constant adjustments as conditions change inside and outside the cell. The adjusting of systems within a cell is referred to as homeostatic regulation.The CK-12 Foundation is a California-based non-profit organization which aims to increase access to low-cost K-12 education in the United States and abroad. CK-12 provides free and customizable K-12 open educational resources aligned to state curriculum standards . FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.Steps to Use CK-12 with Canvas. Connect CK-12 within Canvas. Easily connect CK-12 into your school or district’s instance of Canvas by having your admin request a key/secret and install it for everyone. If using the free version independently, teachers can make this request. Assign CK-12 resources in Canvas classes.Lesson Objectives. Define gene and allele. Describe the relationship between genotype and phenotype. Show how to predict genotype and phenotype ratios in offspring for simple traits.By CK-12 | Last Modified: Dec 05, 2023. Published. CK-12 Interactive Physics for High School FlexBook® covers core physics concepts and includes SIMs, PLIX, real …Partners. Our community of partners graciously contribute their expertise and resources to CK-12 Foundation. By joining hands with these great organizations, we’re able to achieve our daily mission of making K-12 education equitable and accessible to everyone. We’d like to thank all of our partners for their continued support.CK-12 Precalculus Concepts 2.0. This is the FlexBook 2.0 version of CK-12's PreCalculus Concepts course. In addition to new formatting and access to teacher insights, there are many curated 'Related Modalities' for each lesson. The text surveys traditional and additional content for a course in sequence after Algebra II and before Calculus or ...FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation.The kidneys are a pair of bean-shaped organs just above the waist. A cross-section of a kidney is shown in Figure below. The function of the kidney is to filter blood and form urine. Urine is the liquid waste product of the body that is excreted by the urinary system. Nephrons are the structural and functional units of the kidneys.Foster critical thinking skills with practice problems, video hints, and full step-by-step solutions, all clearly aligned with Common Core standards. We would like to show you a description here but the site won’t allow us. Simplified Interface. All of CK-12's tools and resources are now unified in one toolbar. Nov 27, 2566 BE ... CK-12 Physical Science for Middle School FlexBook® covers core physical science concepts and includes SIMs, PLIX, real world examples, ...Radiometric Dating of Rocks. Radiometric dating is the process of using the concentrations of radioactive substances and daughter products to estimate the age of a material. Different isotopes are used to date materials of different ages. Using more than one isotope helps scientists to check the accuracy of the ages that they calculate.EPISD United States Government 2019-2020. El Paso Independent School District in El Paso, Texas created this US Government text for its high school course using OER, CC, and public domain content from a variety of sources curated by educators in the district. The course is aligned to the Texas TEKS and is usually taken in Grade 10.Life Science. PLIX - Play, Learn, Interact and Xplore a concept with PLIX. Life Science is the study of life and living organisms, including their physical and chemical structure, function, development, and evolution. Geometry Interactive. Algebra 1 Interactive. 8th Grade Math Interactive. 7th Grade Math Interactive. 6th Grade Math Interactive. 5th Grade Math. 4th Grade Math. 3rd Grade Math. 2nd Grade Math. CK-12’s Concept Pages offer a wide variety of STEM content allowing students to “learn it their way” and teachers to “teach it their way.”. Concept-based learning offers: multiple modalities, including lessons, videos, interactives, real world applications, study guides, and adaptive practice. content at basic, at grade, and advanced ... CK-12 FlexBook® 2.0 for Adult Education are in the areas of Adult Basic Education (ABE) and Adult Secondary Education (ASE) - High School Diploma and High ...The Moon is Earth’s only natural satellite, a body that moves around a larger body in space. The Moon orbits Earth for the same reason Earth orbits the Sun — gravity. The Moon is 3,476 km in diameter, about one-fourth the size of Earth. The satellite is also not as dense as the Earth; gravity on the Moon is only one-sixth as strong as it is ...P 2 = P 1 × V 1 V 2. Now substitute the known quantities into the equation and solve. P 2 = 387 kPa × 425 mL 1750 mL = 94.0 kPa. Step 3: Think about your result. The volume has increased to slightly over 4 times its original value and so the pressure is decreased by about 1 4 t h.. Introduces the structures and functions of the three tCK-12 Foundation offers free math worksheets fo What's the difference? ... Play. Learn. Interact. eXplore. ... Stand out as an educator. Become CK-12 Certified. ... Know the essentials.STANDARDS. Electromagnetic Spectrum, Wavelength and Frequency Calculations, Quantization of Energy, Atomic Emission Spectra, Bohr's Atomic Model, Spectral Lines of Hydrogen. WORKSHEET. Discover a new way of … Assign CK-12 Resources. No need to set up separate classes in Starting to forget what you learned this year? We're here to help! Catch up on math and science classes with CK-12's FlexLets™, designed to make sure that ... Types of Models. Physical models are smaller and si...
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