Share a free trial

Know a teacher that hasn’t used Mystery Science before? Invite them to try us for free through June 2026!

Thanks for sharing!

Send another invite

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!

Voting for this episode is now closed. Would you like to vote on the most recent poll?

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

  • Are any animals picky eaters?

    -Evan, 4th Grade

  • Could a baseball pitcher throw faster than the wind?

    -Colin, 2nd Grade

  • Why do some animals sleep during the day?

    -Eliana, Kindergarten

 

Top 5: What are some amazing ways to fight germs?

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!