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Science units

Kindergarten

Animal Needs
Plant Needs
Severe Weather
Weather Patterns
Sunlight & Warmth
Pushes & Pulls

1st Grade

Animal Traits & Survival
Plant Traits & Survival
Day Patterns
Night Patterns
Light, Sound, & Communication

2nd Grade

Animal Biodiversity
Plant Adaptations
Erosion & Earth’s Surface
Material Properties

3rd Grade

Fossils & Changing Environments
Life Cycles
Heredity, Survival, & Selection
Weather & Climate
Forces, Motion, & Magnets

4th Grade

Human Body, Vision, & The Brain
Animal & Plant Adaptations
Earth's Features & Processes
Sound, Waves, & Communication
Energy & Energy Transfer
Electricity, Light, & Heat

5th Grade

Ecosystems & The Food Web
Water Cycle & Earth's Systems
Earth & Space Patterns
Stars & Planets
Chemical Reactions & Properties Of Matter
Get a free trial until June 30, 2026!
New members get full access to our science units, hands-on activities, mini-lessons, & more!

New members get a full, free trial through June 2026!
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Mini-lessons

Video Vote
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We pulled three questions from our jar. Which question do you want to explore?

  • Why do our stomachs growl when we’re hungry?

    -Isaac, 3rd Grade

  • Who invented seat belts?

    -Dawson, 4th Grade

  • Why do birds sing?

    -Emmelina, 2nd Grade

What is a heat wave?

Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!