For this compound machine worksheet, students review what simple machines are put together to make compound machines. This worksheet has 5 fill in the blank and 2 short answer questions.

In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...

Second graders study Benjamin Franklin and participate in simple experiments in electricity.