Unit 5 Physical Changes

What are the three states of matter?

• color, shape and size

• magnetism, sink and float

• solid, liquid and gas

• volume, shape, color

Students have a container of water and several objects. The water will help the students observe what physical property of the objects?

• Whether the objects sink or float

• How quickly the objects heat up

• Whether the objects have iron in them

• The mass of each object

A description of objects that can be measured and observed.

• gas
• mustangs
• physical properties
• melting point

Gas changing to a liquid that sometimes results in cloud formation.

• density
• gas
• evaporation
• condensation

Which property describes the property of a liquid?

• It tastes really good.
• water
• It takes the shape of the container.
• It is invisible.

What must be in metal for it to stick to a magnet?

• soy sauce
• copper
• iron
• aluminum

In which state of matter are the particles moving the fastest?

• solid
• liquid
• gas
• onions

If you see bubbles in a liquid what must be present?

• a solid
• Dr Pepper
• ice
• a gas

Which of the following will not dissolve in water?

• salt
• sugar
• Kool-Aid
• sand

What kind of change is cutting paper?

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