WorksheetsPhase Change Investigation Lab
Total questions: 10
Worksheet time: 5mins
Safety: Is it safe to lick dry ice?
Yes
No
Sometimes
Safety: Is it safe to dispose of dry ice by leaving it on the grass?
Yes
No
In task 3, why do you think the water has to be warm?
For a better reaction between water and ice
so it won't freeze your hands
Once you've finished all tasks, what do you do?
Return all lab equipment and clean your space
Begin discussion questions immediately
Should you place or throw dry ice into beakers?
place carefully
throw
toss lightly
How do you record observations in your data table?
Draw
Write
Draw AND Write
When should you be recording observations?
During every task
At the very end
Only at the beginning
How do you handle dry ice?
with your hands
with a plastic spoon or tongs
with your face
Do you EVER touch dry ice with your bare skin?
NO
yes
The only way you are capping a water bottle in this lab is with...
a cap
a balloon
a spoon
your face
