Science Ch 10

Cutting a piece of paper is an example of a 

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

How does one kind of matter become a different kind of matter? 

• when it breaks into pieces
• when it goes through a physical change 
• when it goes through a chemical change
• when it becomes frozen 

Which is an example of a chemical change?

• a pond freezing 
• a crayon melting 
• a nail rusting
• a shirt tearing 

Break open an egg 

• physical change 
• chemical change 

Scramble the egg

• physical change 
• chemical change 

Pour egg into pan and cook it 

• physical change 
• chemical change 

How does butter change when it is heated? 

• it evaporates 
• it melts 
• it freezes
• it condenses 

What do the bubbles in a pot of boiling water show? 

• a solid that is melting 
• a gas that is condensing 
• a liquid that is freezing 
• a liquid that is turning into a gas 

Which is true about all liquids? 

• They melt at a low temperatures
• They turn into gases when cooled 
• They freeze at different temperatures 
• They condense into solids when heated 

Which mixture is a solution?

• salt water 
• cheese and crackers 
• fruit salad
• water and ice