1.) A change that only affects the physical properties of a substance is known as a(n):

2.) What kind of changes are melting and freezing?

3.) When a substance undergoes a physical change, it’s________ does not change

4.) What is changed when matter undergoes physical change?

5.) Why would 1 kg. of lead be less awkward to carry around than 1 kg. of feathers?

6.) What will happen to a solid object made from matter with a greater density than water when it is dropped into water?

7.) How will knowing the density of a substance help you determine whether an object made from that material will float in water?

Thank you so much in advance. This will really help me. This isn’t even HALF my science homework.