Math and science
Shape Detective
Count the circles, triangles and rectangles hiding in a robot, then build your own character from shapes.
Thinking sheet · Math and science
Food Chain Builder
Build a food chain from the sun to a top predator and explain how energy moves.
- Grades
- 2–5
- Time
- about 25 minutes
- Topic
- Math and science
- Kids practice
- ecosystems, energy flow, cause and effect
What kids do
“Who eats whom? Build a food chain from the sun up!”
- My food chain (arrows mean “gives energy to”)
- If the plants disappeared…
- Where I fit in a food chain:
How to run it
- Start with the sun every time.
- Pick one habitat: ocean, forest or savanna.
- Link chains into a food web.
Talk about it
- What happens if one link breaks?
- Who is at the top?
- Where do decomposers go?
Take it further
Make a food chain for the ocean.
Pairs well with
Free for home and classroom use. Print as many copies as you need.
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