Matter

One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?

• evaporation; chemical change
• condensation; physical change 
• evaporation; physical change
• condensation; chemical change

Photosynthesis is an example of a

• physical change
• chemical change

When you break a cracker into pieces it is a 

• Chemical change
• Physical change
• Chemical Weathering
• Physical Weathering

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

what is burning?

• physical change
• physical property
• chemical change
• chemical property

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

Is moldy cheese a chemical or physical change?

• chemical
• physical

Is spoiled meat a chemical or physical change?

• chemical
• physical

Is cream being whipped a physical or chemical change?

• physical
• chemical