Q3 QE SCIENCE REVIEWER (G8)

Which of the following refers to the state of matter with a fixed shape?

• Plasma

• Gas

• Liquid

• Solid

Which is the best description for the movement of the molecules of solids?

• They move very fast.

• They move to and pro or they jiggle.

• They slide past each other.

• They move faster than liquids and gas.

Which is the best description for the spaces in between the molecules of gas?  

• There is very little space in between them

• There is a space enough for them to move freely .

• The space in between then cannot be determined.

• They occupy the biggest space available.

Which particle is composed of only one kind of atom?

• Elements

• Compounds

• Mixtures

• Matter

Which is an example of gaseous matter?

• ice

• water

• Liquified petroleum gas

• water vapor

Which of the following material has the ability to flow?

• Glue

• Blood

• Gel

• Soil

Which of the following refers to the ability of solids to return back to their original size and shape once the deforming force is released?

• Brittleness

• Elasticity

• Porosity

• Malleability

Which is the best description for being "Flexible" of solid materials?

• Ability of the material to be bent without breaking.

• Ability of the material to be hammered into thin sheets.

• Ability of the material to be formed into very fine wires.

• Ability of the material to conduct electricity or heat.

Which of the following solid is elastic?

• wood

• plastic

• steel

• stone

When a very strong house is built made out of hard stones and cement , which property of solids is being harnessed?

• Electrical

• Luster

• Hardness

• Softness