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
biology Interactive Lesson Premium Grade 4, 5
Human Body Systems
Explore 6 amazing body systems — skeletal, muscular, circulatory, respiratory, digestive, and nervous! Interactive slides, drag-and-drop activities, quizzes, and hands-on experiments for grade 5.
physics Interactive Lesson Premium Grade 1, 2
Forms of Energy
Explore the three forms of energy — light, sound, and heat! Learn about natural and man-made energy sources, vibrations, shadows, and friction through interactive activities and hands-on experiments.
biology Interactive Lesson Free Grade 2, 3
Butterfly Life Cycle
Explore the amazing journey from egg to butterfly! Learn about metamorphosis, caterpillar life, butterfly anatomy, compound eyes, pollination, and butterflies vs. moths through interactive activities and hands-on experiments.
biology Interactive Lesson Premium Grade 2, 3
Plant Life Cycle
Explore how plants grow from tiny seeds to beautiful flowers and back again! Learn about seeds, germination, photosynthesis, pollination, and seed dispersal through interactive activities and hands-on experiments.
physics Interactive Lesson Free Grade 3, 4, 5
Circuit Builder
Build a working electrical circuit! Connect batteries, wires, and bulbs on a grid to complete the circuit and light up the bulb.
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