Lauren Science Study Guide

An architect is a person who _______ buildings.

• designs

• builds

• paints

• destroys

True or False. Some matter can change by being bent.

• True

• False

True or False. A mixture is made up of two or more kinds of matter.

• True

• False

True or False. Most objects are made of the same parts that are put together.

• True, same

• False, different

What happens to a piece of wood when it is sanded?

• It changes color.

• It changes shape.

• It changes size.

Look at the image. Is this change reversible or irreversible (cannot be undone).

• The change is irreversible

• The change is reversible

Look at the image. Is this change reversible or irreversible (cannot be undone).

• The change to matter is irreversible.

• The change to matter is reversible.

Look at the image. Is this change reversible or irreversible (cannot be undone).

• The change to matter is irreversible or cannot be undone.

• The change to matter is reversible and can be undone.

You want to build a go-kart like your friend's. What parts can you take from your sister's old stroller to help you make the go-kart?

• rope for steering

• wheels to make it move

• wooden body to sit on

True or False. Matter changes state when it is heated or cooled.

• True

• False