Phase Change Investigation Lab

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

Tags

NGSS.MS-ESS3-3

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS3-4

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