Thinking · Critical thinking20 min · pencil, ice cubes, a ball★★☆
Claim, Evidence, Reason
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A claim is something someone says is true. Be a scientist and test it!
Test each claim at home.
Write what you saw. That is your evidence.
Write why your evidence shows the claim is true, or not.
Example: Claim: My dog likes carrots. Evidence: On 3 different days I put a carrot next to his cookies, and he ate the carrot first every time. Reason: He keeps choosing carrots, so this suggests he likes them.
Claim
Evidence (what I saw)
Reason (so it is true or not)
Ice melts faster in the sun than in the shade.
Most people in my home are right-handed.
A ball bounces higher on a hard floor than on a rug.
Grown-up corner
Why it matters: Claim, evidence, reason is how scientists think. It helps kids back up ideas instead of just saying them louder.
Was any claim false? How did you find out?
What would make your test fairer?
Extend it: Find a claim on a food box and test it together.