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

Science curriculum for K—5th grades.

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90 sec
  • Hands-on lead students in the doing of science and engineering.
  • NGSS-aligned and Common Core make the transition to the Next Generation Science Standards and support Common Core.
  • Less prep, more learning prep in minutes not hours. Captivate your students with short videos and discussion questions.

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🎃 Halloween Mysteries 🎃

Other Halloween-themed Mysteries. Pick one for your grade:

Material Magic (Grades 2-3)
Mystery 3: Material Changes & Phases of Matter

Why are so many toys made out of plastic?

Exploration (20 min)
Activity: Candy Melt (35 min)
Extras (2 hrs)
Why are so many toys made out of plastic?

Power of Flowers (Grades 2-4)
Mystery 4: Fruiting, Reproduction

How could you make the biggest fruit in the world?

Exploration (20 min)
Activity: Odd One Out (35 min)
Extras (2 hrs)
How could you make the biggest fruit in the world?

Human Machine (Grades 3-5)
Mystery 1: Muscles & Skeleton

Why do your biceps bulge?

Exploration (25 min)
Activity: Robot Finger (30 min)
Extras (2 hrs)
Why do your biceps bulge?

Mini-Lesson

Do bats really drink blood?

5 Minutes
Do bats really drink blood?

Mini-Lesson

Where does chocolate come from?

5 Minutes
Where does chocolate come from?

Mini-Lesson

How do things glow in the dark?

5 Minutes
How do things glow in the dark?

Mini-Lesson

Why are pumpkins orange?

5 Minutes
Why are pumpkins orange?