In this catalyst worksheet, students define catalyst and enzyme and explain how these work in a chemical reaction. Students calculate molar mass of a compound. This worksheet has 7 short answer questions and 2 problems to solve.

Fifth graders evaluate the physical properties of 5 powders. Each powder is subject to different conditions. They describe each observation as with a chemical change or a physical change.

Fifth graders compare physical and chemical changes. They perform a simulation experiment/activity that replicates what happens in the stomach as food is digested by stomach acids.

Fifth graders, in groups, conduct an experiment in which they measure ground level ozone levels using an ozone measuring kit. They analyze and compare the weather conditions and locations where ozone readings are highest and lowest.

Students work together to develop and write scenerios for the future of hazardous waste cleanup. They share their scenerios with the class. They complete activities as well.

Students listen to an explanation of yeast cells and how they effect bread and beer. They discuss the ways alcohol affects the human body and participate in an indirect observation about cell respiration in yeast-molasses cultures.

In this vocabulary meanings worksheet, students determine meanings to complete the sentences using context clue and words from a word bank. Students complete twelve sentences.

Young scholars experience sorting. In this organization lesson, students play a computer sorting game called "Flood Game" on the "Between the Lions" website. Young scholars visit a library and observe and discuss book organization....

Young scholars explore the corn crop. In this farming lesson, students identify which states are in the corn belt and read about the history of corn, its uses and its development and growth. Young scholars dissect a corn kernel. Students...

Students read an article. In this seasons lesson, students discuss the seasons and seasonal affective disorder. Students find an article that illustrates other ways that the environment negatively effects humans.

Students discover the oceanic food chain.  In this healthy eating lesson, student investigate the fish we eat and the food the fish eat.  Students discover what ocean animals eat seaweed and what everyday foods we eat that also...

Students investigate parts of the ocean. In this seaweed lesson, students identify foods that contain seaweed, parts of seaweed, and how the ocean affects our lives. As a class students brainstorm ways we rely on the ocean and compare...

In this World Consumer Rights Day worksheet, students complete activities such as reading a passage, matching phrases, fill in the blanks, choose the correct word, multiple choice, unscramble the words, sequencing, unscramble the...

Students discuss, develop, invent, and implement a plan for making informed personal economic decisions about renewable resources.

Students explore how oil pollutes the oceans. In this science lesson, students investigate various materials that could be used to clean up an oil spill. Students discuss which materials worked best and how humans can reduce oil spills.

Students compare cell structure to the structure of a city. In this cell structure activity, students investigate differences and similarities between cell structure and city structure. Students create a 3-dimensional, edible model of a...

Students recognize that food we eat comes from farms.  In this where does food come from instructional activity, students discuss planting crops and how they grow.  Students plant seeds for edible crops and eat them when are...

Students explore agriculture by participating in a plant growth activity. In this botany instructional activity, students discuss what types of plants grow in their local environment and what the plants need to survive. Students read...

Students differentiate chemiluminescence from bioluminescence. In this biology lesson, students explain how fireflies and other animals emit light. They discuss the applications of engineered bioluminescence.

Using the chemicals that leaked in the Bhopal gas tragedy of 1984, chemists examine covalent bonds. Provide for them the chemical reactions and have them draw Lewis diagrams for the molecules involved. That's about all there is to the...

Students study the effects of water, salt water and heat on common household materials. They separate an emulsion and show that the materials are completely recoverable and observe the effect of acetone and water on polystyrene.

Young scholars brainstorm how an action to benefit others is a type of philanthropy. They identify the commonwealth approach to philanthropy, plan and carry out a philanthropic action in their community and reflect how their action...

Learners observe a scientific discrepant event, and are then challenged to create experiments to solve the dilemma.