Gr5 Science Revision (Term 1)

The maximum amount of a substance that can be dissolved by another substance is called the .................

• conductivity

• solubility

• solvent

• colloid

Ahmed places three cubes on a table. One cube is lead, the second is ice, and the third is balsa wood. The sides of each cube are exactly 3.5 centimeters long.

• the same mass

• the same weight

• the same volume

• the same temperature

A __________ property is a characteristic that can be observed and measured.

• chemical

• physical

• mechanical

• potential

Mixtures that have parts that are not uniformly mixed together are called ___________mixtures.

• Solutions

• homogeneous

• heterogeneous

• physical

Which of the following would make sugar dissolve faster in a cup of water?

• Add cold water and stir.

• Let water evaporate away

• Add warm water and stir.

• Add more sugar and stir.

Which are signs that a chemical change has taken place? Select all that apply

• change in mass

• formation of a gas

• formation of a mixture

• change in temperature

Which kind of change alters the shape of an object without changing what type of matter it is?

• chemical change

• physical change

• gradual change

• sudden change

During an experiment you add heat energy to a liquid. What state of matter will the liquid become?

• solid

• gas

• plasma

• liquid

The particles in a ____ are tightly packed together and vibrate in place.

• gas

• liquid

• solid

• air

Earth's water levels ________on the side of Earth facing the moon.

• rise

• fall

• stay the same