7th Science Midterm

A change that does not result in a new substance.

• Physical Change
• Chemical Change 

A __________________ occurs when one or more substances change into entirely new substances with different properties.

• physical change

• chemical change

• characteristic change

• variable

True or False: twisting a wire is an example of a physical change.

• True

• False

What type of change can be easily reversed?

• chemical change

• physical change

• both chemical and physical changes

• neither physical or chemical changes

Is burning wood a chemical or physical change?

• chemical
• physical

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Is melting ice a chemical or physical change?

• chemical
• physical

Is spoiling food a physical or chemical change?

• phyiscal
• chemical

Is frying an egg a physical or chemical change?

• chemical
• physical