Fourth graders study soil and water.  In this water lesson students work in groups and use a filter to clean water. 

Explain the coagulation and coalescence processes associated with milk protein and cheese. List the components of milk and explain how each component is dispersed in the milk. Describe what happens when milk protein is coagulated Discuss...

Students are introduced to the environmental hazards their community is facing. In groups, they develop a list of the ways humans have changed the Earth and how these changes have lead to environmental hazards. They record their...

Student observe and quantify the respiration that occurs in yeast-molasses cultures. They complete an effective experiment in order to examine how to think critically about the results.

Young scholars explore the reaction rates of an enzyme-mediated reaction through experimentation. In small groups, they use everyday objects to demonstrate the effects of environmental variables on enzyme function. Students graph and...

Students dissect a cricket and note the three body regions, wings, and legs. They observe the yellow malphigian tubes and remove them. They dissect the esophagus and analyze the heart for respiratory rates and heart beat rates.

Learners discuss the layers of the atmosphere, and the history of the ozone hole. They discuss the chemistry of the ozone formation. Students compare seasonal data collected with ozonesondes. They compare Antarctic and Arctic ozone hole...

In this sedimentary rock worksheet, students answer 9 fill-in-the-blank questions and 8 matching questions regarding sedimentary rocks and their formation.

For this air pollution worksheet, learners complete a crossword puzzle by reviewing the different types and sources of air pollution. This worksheet has 13 terms to place into the puzzle.

In this gases worksheet, students conduct an experiment to produce 2 different gases and use standard tests to identify each gas. This worksheet has 14 short answer questions.

Young scholars investigate plant pigments in fruits and vegetables. In this plant pigments lesson plan, students observe the effects of pH changes on chlorophyll in one demonstration and they observe the effects pH changes on flavonoids...

In this recognizing different types of changes instructional activity, students answer questions about such things as reversible change, irreversible process, climatic change, filtration process, physical change, and change in the state...

Students gain an understanding of matter in all of its phases. In this science lesson plan, students further their knowledge of the laws of conservation of mass, the loss in mass can be accounted for, when the gas is allowed to escape...

Students explore polymer properties. In this lesson about polymers, students perform an experiment to understand polymers, their properties, and that they are formed from small molecules. Students role play pretending they are polymer...

Fourth graders graph metric tons of rice produced by various countries.  In this graphing lesson, 4th graders follow problem solving steps to answer questions about rice nutrition and then graph the amount of rice produced by...

In this chemistry worksheet, learners answer 24 questions related to properties of halogens. They fill in the table with the correct answers and participate in teacher demo.

Learners review properties of materials and define what pH tells them about matter.  In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.

Tenth graders investigate the carbon monoxide level at a fixed latitude to determine if there is a relationship to population density. They download data sets and generate a graph, and find locations using the Earth's coordinate system....

Students participate in "Raiders of the Future", a role play about futuristic scientists sending a spaceship to Mars for research and exploration. They collect geological samples for analysis, discover the ruins of an ancient...

For this chemistry worksheet, students write in the correct equations in accordance to solving the word problems. The answers are on page 2.

Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...

Students explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...

Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.

In this chemistry quiz worksheet, students complete a set of 10 multiple choice questions covering a variety of chemistry concepts.