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- 1. Multiple Choice
What do these two changes have in common?
chemicals in a battery reacting to a power flashlight
an old sandwich rotting in a trashcan
Select all that apply.
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 2. Multiple Choice
What do these two changes have in common?
knitting yarn into a scarf
filtering air to remove dust and pollen
Select all that apply
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 3. Multiple Choice
What do these two changes have in common?
baking a loaf of bread
salt and vinegar removing tarnish from a penny
Select all the apply.
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 4. Multiple Choice
What do these two changes have in common?
rust forming on a metal gate
silver jewelry tarnishing
Select all that apply.
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 5. Multiple Choice
What do these two changes have in common?
making jam
a piece of avocado turning brown
Select all that apply.
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 6. Poll
How are feeling right now?
Alright, I guess
Terrible
Awesome
- 7. Multiple Choice
What do these two changes have in common?
water boiling on a stove
using a large magnet to remove pieces of iron from a junkyard
Select all that apply.
Both are changes of state
Both conserve mass
Both are only physical changes
Both are chemical changes
- 8. Multiple Choice
What do these two changes have in common?
making paper from wood
a log decomposing in the woods
Select all that apply.
Both are caused by cooling
Both are chemical changes
Both are changes of state
Both conserve mass
- 9. Multiple Choice
What do these two changes have in common?
deep-frying chicken
rust forming on a bicycle frame
Select all that apply.
Both are caused by cooling
Both conserve mass
Both are caused by heating
Both are chemical changes
- 10. Multiple Choice
What do these two changes have in common?
mixing sand and gravel
carving a piece of wood
Select all that apply.
Both are only physical changes
Both are chemical changes
Both are caused by heating
Both are caused by cooling
- 11. Multiple Choice
What do these two changes have in common?
a copper statue turning green
a piece of pizza rotting in a trashcan
Select all that apply.
Both are only physical changes
Both are caused by cooling
Both are chemical changes
Both are changes of state
- 12. Multiple Choice
What do these two changes have in common?
grilling a hamburger
boiling an egg
Select all that apply.
Both are caused by heating
Both are only physical changes
Both conserve mass
Both are chemical changes
- 13. Multiple Choice
What do these two changes have in common?
picking up a paper clip with a magnet
dry ice sublimating and becoming a gas
Select all that apply.
Both conserve mass
Both are only physical changes
Both are changes of state
Both are chemical changes
- 14. Multiple Choice
What do these two changes have in common?
milk going sour
mixing glue and laundry powder to create putty
Select all that apply.
Both are caused by cooling
Both are chemical changes
Both are only physical changes
Both are changes of state
- 15. Poll
How are you feeling now?
Alright, I guess
Terrible
Awesome
- 16. Open Ended
Explain what a physical and a chemical change is?
- Answer choicesTagsAnswer choicesTags