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

Is burning wood a chemical or physical change

• 
  chemical

• 
  physical

When you increase the energy by heating a liquid what happens to the motion of the molecules

• The motion of the molecules stays the same
• The motion of the molecules decreases
• The motion of the molecules increases
• The motion of the molecules becomes solid

The particles in a _____ are the farthest apart and move the fastest.

• gas
• plasma
• liquid
• solid

Mixtures can be _____________ into the substances that make them up.

• combined
• magnified
• solidified
• separated

What type of change is taking place when a pond freezes in the winter? 

• Chemical change
• Biological change
• Physical change
• Emotional change

The state of matter that keeps its shape and volume when it is placed in a different container is called ______.

• liquid
• gas
• plasma
• solid

The state of matter that expands to fill its container is called ______.

• solid
• liquid
• plasma
• gas