Curated OER
Homeostasis and the Plasma Membrane
In this homeostasis and the plasma membrane worksheet, students complete a flow chart and 5 questions related to homeostasis and the plasma membrane. They complete a flow chart that illustrates the plasma membrane and cellular transport....
Curated OER
Viruses
In this virus worksheet, 9th graders study the graph shown that illustrates the sizes of viruses, bacteria, and other structures. Then they state how large a red blood cell is and how large the smallest viruses are that affect plants....
Curated OER
Osmosis
In this biology worksheet, students determine how many solvent and solute molecules there are in the red blood cell and the IV fluid. Then they determine whether the IV fluid is hypertonic, hypotonic, or isotonic to the red blood cell.
Curated OER
The Three Types of RNA
In this biology activity, learners identify and describe the three types of RNA, messenger, transfer, and ribosomal RNA. Then they write the key features of molecules of RNA for each form.
Curated OER
Moles Worksheet
For this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...
Curated OER
Atoms and molecules
In this chemistry worksheet, high schoolers find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
Curated OER
Heat and Temperature Word Search
For this heat and temperature word search, students identify terms dealing with types of energy and heat. They locate 30 terms from a provided list. An answer sheet is provided.
Curated OER
Elements And Atoms
Students investigate the concept of elements and atoms. They conduct research using a variety of resources and use the information in order to create a class presentation. The lesson includes specific dialogue and steps for the teacher...
Curated OER
How Structure Can Affect Properties Through Phase Changes
Students discuss how changing the structure of atoms and molecules can change the properties of a substance. They brainstorm and review their own examples of phase change with the help of a phase change diagram. Students describe the...
Curated OER
Comparing Matter
Students use Internet to research and discover states of matter and explain how molecules are arranged in each state, complete Comparing Matter Work Sheet, and identify objects around classroom that fit three states of matter definitions.
Curated OER
How Atoms Work
Students explore the concept of atoms and how they combine to form molecules and compounds. In pairs, they read an article on how atoms work and discuss the main points. They draw atoms and write a paragraph about their elements.
Curated OER
How Atoms Work
High schoolers analyze the way atoms function and how they combine to form molecules and various compounds. Using a software program, they create a diagram of an atom and write a summary about their functions. They complete a worksheet...
Curated OER
Molecular Modeling
Students recognize that the fundamental building block of all organic and inorganic matter is the atom. They construct models of a sugar, fatty acid, amino acid and nucleic acid and describe their roles.
Curated OER
The Causes of Differences in Density
Learners explore how density changes. Students read an article on density. They observe a ball and ring demonstration and discuss the outcome. Learners draw models of the demonstration and explain what happened.
Curated OER
DNA and Individual Differences
Middle schoolers list differences between DNA-related terms and create a simple DNA circle map. They order terms including human body, organ, tissue, cell, nucleus, etc. from largest to smallest. They discuss differences and...
Curated OER
Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
Curated OER
Chemical Formulas
Students examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...
Curated OER
Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
Curated OER
Water String Travels
Students examine the properties of water and conduct experiments demonstrating adhesion. Using a wet string, they observe water moving by adhesion from a beaker full of water to an empty one. They draw cartoons of water molecules talking...
Curated OER
Physical and Chemical Changes in Food
Ninth graders study food mixtures and substances in order to identify atoms, molecules, elements, and compounds and recognize physical changes that take place in foods.
Curated OER
Three Clouds Activity
Students explore how clouds are produced through three different age-appropriate hands-on experiments.
Curated OER
Molecules Rock
Fourth graders engage in this interactive lesson which illustrates diffusion and osmosis and shows them that molecules of life move dynamically and powerfully. They must analyze their lab orally and in writing.
Curated OER
Polymers
Students explore online tutorial on polymers. In this chemistry lesson, they create two polymers in the lab and compare their properties. They write a sales letter about their new and improved polymer product.
Curated OER
Chromatography
Eighth graders observe a compound and separate it into its component parts. In this chromatography activity students complete and activity that demonstrates how mixtures can be separated into components.