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

Student raising hand on laptop

Stress-free science lessons
for K-5 distance learning

Try for free
Grades K-2
Standards-aligned lessons + activities + extensions
Have you ever watched a storm?

Weather Conditions

K Have you ever watched a storm?

Lesson + Activity

Standards Aligned
Why are polar bears white?

Camouflage & Animal Survival

1st Why are polar bears white?

Lesson + Activity

Standards Aligned
Could you build a house out of paper?

Materials, Properties, & Engineering

2nd Could you build a house out of paper?

Lesson + Activity

Standards Aligned
Why do frogs say "ribbit"?

Biodiversity, Habitats, & Species

2nd Why do frogs say "ribbit"?

Lesson + Activity

Standards Aligned
Why do woodpeckers peck wood?

Animal Needs: Food

K Why do woodpeckers peck wood?

Lesson + Activity

Standards Aligned
Could a statue's shadow move?

Sun, Shadows, & Daily Patterns

1st Could a statue's shadow move?

Lesson + Activity

Standards Aligned
How do they make silly sounds in cartoons?

Sounds & Vibrations

1st How do they make silly sounds in cartoons?

Lesson + Activity

Standards Aligned
How did a tree travel halfway around the world?

Seed Dispersal

2nd How did a tree travel halfway around the world?

Lesson + Activity

Standards Aligned
Looking for more? Get all 200+ lessons when you sign up for a free trial!
Grades 3-5
Standards-aligned lessons + activities + extensions
Where can you find whales in a desert?

Habitats, Fossils, & Environments Over Time

3rd Where can you find whales in a desert?

Lesson + Activity

Standards Aligned
Why do dogs wag their tails?

Animal Groups & Survival

3rd Why do dogs wag their tails?

Lesson + Activity

Standards Aligned
Could a volcano pop up where you live?

Volcanoes & Patterns of Earth's Features

4th Could a volcano pop up where you live?

Lesson + Activity

Standards Aligned
Why did the dinosaurs go extinct?

Food Webs & Flow of Energy

5th Why did the dinosaurs go extinct?

Lesson + Activity

Standards Aligned
Where do clouds come from?

Water Cycle & States of Matter

3rd Where do clouds come from?

Lesson + Activity

Standards Aligned
Why do your biceps bulge?

Muscles & Skeleton

4th Why do your biceps bulge?

Lesson + Activity

Standards Aligned
Where does energy come from?

Renewable Energy & Natural Resources

4th Where does energy come from?

Lesson + Activity

Standards Aligned
Why would a hawk move to New York City?

Food Chains, Producers, & Consumers

5th Why would a hawk move to New York City?

Lesson + Activity

Standards Aligned
Looking for more? Get all 200+ lessons when you sign up for a free trial!
5 min. video lessons
How does hand sanitizer kill germs?

Mini-Lesson

K-5 How does hand sanitizer kill germs?

5 min lesson
How deep does the ocean go?

Mini-Lesson

K-5 How deep does the ocean go?

5 min lesson
Can you make lava?

Mini-Lesson

K-5 Can you make lava?

5 min lesson
Can animals get a sunburn?

Mini-Lesson

K-5 Can animals get a sunburn?

5 min lesson
How do things glow in the dark?

Mini-Lesson

K-5 How do things glow in the dark?

5 min lesson
Why is the sky blue?

Mini-Lesson

K-5 Why is the sky blue?

5 min lesson
What is the most dangerous animal in the world?

Mini-Lesson

K-5 What is the most dangerous animal in the world?

5 min lesson
How do broken bones heal?

Mini-Lesson

K-5 How do broken bones heal?

5 min lesson
What is the Moon made of?

Mini-Lesson

K-5 What is the Moon made of?

5 min lesson
Looking for more? Get all 200+ lessons when you sign up for a free trial!
15 min. video lessons
How do earthquakes happen?

Mini-Lesson

K-5 How do earthquakes happen?

5 min lesson

Plus Top 5 bonus
How do germs get inside of your body?

Mini-Lesson

K-5 How do germs get inside of your body?

5 min lesson

Plus Top 5 bonus
Can animals laugh?

Mini-Lesson

K-5 Can animals laugh?

5 min lesson

Plus Top 5 bonus
Were dragons ever real?

Mini-Lesson

K-5 Were dragons ever real?

5 min lesson

Plus Top 5 bonus
Why is the ocean salty?

Mini-Lesson

K-5 Why is the ocean salty?

5 min lesson

Plus Top 5 bonus
What is a black hole?

Mini-Lesson

K-5 What is a black hole?

5 min lesson

Plus Top 5 bonus
Why do cats purr?

Mini-Lesson

K-5 Why do cats purr?

5 min lesson

Plus Top 5 bonus
Why do we get hiccups?

Mini-Lesson

K-5 Why do we get hiccups?

5 min lesson

Plus Top 5 bonus
How old is the Earth?

Mini-Lesson

K-5 How old is the Earth?

5 min lesson

Plus Top 5 bonus
Who invented pizza?

Mini-Lesson

K-5 Who invented pizza?

5 min lesson

Plus Top 5 bonus
What's the biggest tree in the world?

Mini-Lesson

K-5 What's the biggest tree in the world?

5 min lesson

Plus Top 5 bonus
Are unicorns real?

Mini-Lesson

K-5 Are unicorns real?

5 min lesson

Plus Top 5 bonus
Looking for more? Get all 200+ lessons when you sign up for a free trial!
Distance learning is easier with time-saving tools!
Easy ELA exit tickets Digital handouts and assessments Google Classroom integration
Try for free
Loved by students and teachers
quote
"The days I have 100% attendance online are the days I tell the kids we are doing Mystery Science."
Brenda
5th Grade Teacher
California
quote
"This was my first Mystery Science lesson ever. It is so easy to prep and so fun to do!! LOVED it!!"
Shelly
2nd Grade Teacher
Oregon
quote
"I am so thankful for Mystery Science during this time of distance learning. I love it when I am in school too, but it is especially helpful now!"
Mary Anne
Kindergarten Teacher
Wisconsin
quote
"Mystery Science has made my life — and my teachers’ lives — so much easier. For us, it’s a game changer!"
Brandi
Science Instructional Coach
Arkansas