Matter Unit

Which is true for every atom of an element?

• It can be seen with a magnifying glass

• it has mass and volume

• it is joined together with another atom

• it is weightless

Which statement best explains why air is matter?

• Air is invisible.

• Air is needed for breathing.

• Air takes up space and has mass

• Air takes the shape of its container

What causes matter to change state?

• watching it

• adding removing heat

• moving it

• putting it in or taking it out of a container

Why do solids have a definite shape and volume?

• The molecules in solids move past each other easily.

• The molecules in solids stay in the same location and vibrate.

• The molecules in solids move freely in all directions.

• The molecules in solids do not move at all.

Which of the following is NOT made of atoms and therefore is not classified as matter?

• A car

• Fruit loops

• The sun

• Heat

What happens when water freezes?

• it changes from a liquid to a solid

• it changes from a solid to a liquid

• it changes from a gas to a liquid

• it changes from a solid to a gas

Which of the following does NOT describe characteristics of elements?

• All the particles are alike.

• Can be broken down into simpler substances.

• Have unique sets of properties.

• Can join together to form compounds.

The tool used to organize elements is known as the

• Table of Elements

• Chart of Matter

• Periodic Table

• The Guide to Elements

If heat is removed from a substance how will the atoms behave?

• the atoms will spread out

• the atoms will move more

• the atoms will come closer together

• the atoms will bounce around more

A student has a beaker with 50 mL of water in it. A rock is placed in the beaker causing the water level to rise to 63 mL. The student subtracts 50 mL to find which property of the rock?

• mass

• length

• volume

• weight