Open-and-go lessons that inspire kids to love science.

Science curriculum for K—5th grades.

90 sec
  • Hands-on lead students in the doing of science and engineering.
  • Standards-aligned science lessons Cover core standards in 1-2 hours of science per week.
  • Less prep, more learning prep in minutes not hours. Captivate your students with short videos and discussion questions.

Sign up now to try Mystery Science for free.

Sign up

Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
Slide Image
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
This strange dark blue spot can be found in the ocean off the Central American country of Belize. But what is it?
5
Full Screen
Controls Icon Exit Full Screen
It’s called the Great Blue Hole, and it’s an underwater cave over 400 feet deep!
5
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
These pools of water in Turkey look like they were created by people. What are they?
4
Full Screen
Controls Icon Exit Full Screen
They’re natural rock formations, filled with water heated by lava deep underground. People love to bathe in them!
4
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
Hawaii is known for its volcanoes. But how close can you actually get to the lava? Don't volcanoes explode?
3
Full Screen
Controls Icon Exit Full Screen
Hawaii is one of only a few places on earth where there are gentle lava flows you can see up close!
3
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
This lake is located in Yellowstone National Park, USA. It's heated by lava deep underground. But why's it so colorful?
2
Full Screen
Controls Icon Exit Full Screen
The water is too hot for animals to swim in or drink. But it's filled with colorful, heat-loving germs called bacteria!
2
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen
What on earth is going on here? Are these some kind of... glow sticks?!
1
Full Screen
Controls Icon Exit Full Screen
Nope! This is called Waitomo Cave in New Zealand. Each light is given off by a type of insect called a glowworm.
1
Full Screen
Controls Icon Exit Full Screen
Each glowworm spins a long, sticky thread, like a spider, then uses the light to attract insects that get caught in it!
1
Full Screen
Controls Icon Exit Full Screen
Slide Image
Full Screen
Controls Icon Exit Full Screen
Full Screen
Controls Icon Exit Full Screen

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?

  • How is cheese made?

    -Glenn, 2nd Grade

  • Why do animals have tails?

    -Eowyn, 4th Grade

  • How many stars are in the sky?

    -Danna, 3rd Grade

Is Earth the only planet with life?

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!