Physical Science Review

Study this thermometer. Which properties does water have at this temperature?

• It would fill its container.

• It would hold its own shape.

• It would not have a shape.

• It would take the shape of its container.

Which is a property of solids?

• takes the shape of its container

• keeps its shape

• fills its container

• can be poured

This chart shows the state of four substances. Which substance is water?

• A

• B

• C

• D

Which characteristic of a liquid does the illustration show?

• It is wet.

• It has a fixed volume.

• It does not have a definite shape.

• It has a fixed volume and a fixed shape.

Which mixture would be best separated using a magnet?

• iron filings and iron nails

• iron nails and sawdust

• sawdust and wood chips

• salt and soil

Which mixture would be best separated using evaporation?

• sawdust and wood chips

• iron filings and iron nails

• salt and soil

• sugar and salt

Which mixture would be best separated using a filter?

• sugar water

• saltwater

• sand in water

• honey in water

Jed wants to dissolve oil in water. Which statement is true?

• He should stir the water to help the oil dissolve.

• He should raise the temperature of the water to help the oil dissolve.

• The oil will not dissolve, because water must dissolve in oil.

• The oil will not dissolve, because oil cannot dissolve in water.

Max has made a mixture of different sizes of rocks for a landscaping project. Data about the rocks are in the table below. Max decides that the river rocks are too large and wants to separate them out. Which is the best option?

• Sift them out with a screen with 1-cm openings.

• Sift them out with a screen with 2-cm openings.

• Sift them out with a screen with 3-cm openings.

• Sift them out with a screen with 4-cm openings.

Which process involves a decrease in temperature?

• evaporation

• boiling

• condensation

• melting