biology
Human Body Systems for Kids: Free Activities, Experiments & Lesson Plans
Explore 6 body systems with free interactive activities, hands-on experiments, and printable worksheets for grades 4-5. Includes a free digital lesson preview.
Explore the Wonders of Science
Dive into fascinating articles on physics, chemistry, biology, astronomy, and more. Making science accessible and enjoyable for curious minds of all ages.
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physics
Circuit Builder for Kids: Free Interactive Electricity Game
Teach electrical circuits with our free interactive circuit builder! Kids drag and drop batteries, bulbs, and wires to build working circuits through 8 progressive challenges. Perfect for 3rd-5th grade.
physics
Forms of Energy for Kids: Light, Sound & Heat Activities & Lesson Plans
Explore light, sound, and heat energy with free activities, hands-on experiments, and a printable worksheet. Preview our complete 5-day interactive lesson plan for 1st-2nd grade.
biology
Butterfly Life Cycle for Kids: Free Interactive Lesson & Activities
Teach the butterfly life cycle with our free 5-day interactive lesson! Includes drag-and-drop activities, hands-on experiments, printable worksheets, and vocabulary flashcards for 2nd-3rd grade.
biology
Plant Life Cycle for Kids: Free Activities & Lesson Plans
Explore the plant life cycle with free interactive activities, hands-on experiments, and a printable worksheet. Preview our complete 5-day lesson plan for 2nd-3rd grade.
chemistry
Grow Crystals at Home
With just hot water, sugar or salt, and a little patience, you can grow your own sparkling crystals! Learn about supersaturation and crystal structures.
Featured Resources
🔓 Escape Room
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earth science Grade 4, 5
Water Cycle Escape Room
A digital escape room adventure — you're a water droplet trapped in the water cycle! Solve 8 puzzles covering evaporation, condensation, precipitation, and collection to splash back home.
🔓 Escape Room
Free
biology Grade 4, 5
Human Body Systems Escape Room
A digital escape room adventure — you're shrunk inside a human body! Solve 8 puzzles across the digestive, circulatory, respiratory, skeletal, muscular, and nervous systems to reach the brain and escape.
🎮 Interactive Game
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biology Grade 4, 5
Human Body Systems
A 6-day interactive lesson covering the skeletal, muscular, circulatory, respiratory, digestive, and nervous systems. Includes teaching slides, drag-and-drop activities, quizzes, hands-on experiments, vocab flashcards, and printable worksheets.
🎮 Interactive Game
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physics Grade 1, 2
Forms of Energy
A 5-day interactive lesson exploring light, sound, and heat energy. Covers natural and man-made sources, vibrations, shadows, and friction with slides, activities, experiments, and worksheets.
🎮 Interactive Game
Free
biology Grade 2, 3
Butterfly Life Cycle
A 5-day interactive lesson on the butterfly life cycle. Covers metamorphosis, caterpillar growth, butterfly anatomy, pollination, and butterflies vs. moths with slides, activities, experiments, and worksheets.
🎮 Interactive Game
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biology Grade 2, 3
Plant Life Cycle
A 5-day interactive lesson on how plants grow from seeds to flowers and back again. Covers germination, photosynthesis, pollination, and seed dispersal with slides, activities, experiments, and printable worksheets.
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