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Stage 1
Answer 4 questions correctly in a row.
What do these two changes have in common?
- sewing an apron
- mixing sand and water
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.
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Jumping to stage 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
