Changes in Matter

A _____ is a material where each part of it is made of the same type of particle.

• powder

• mixture

• substance

• grain

What is a property?

• a mixture of materials that dissolve

• a combination of two or more substances

• a characteristic that can be measured

• a material that changes its state of matter

Tags

NGSS.MS-PS1-2

Which is an example of a mixture?

• fruit salad

• lemonade

• salt water

• all of the above

Mixtures can be separated back into substances.

• True

• False

Two or more substances create a _____.

• mixture

• substance

• material

• particle

Which of the following is a property that you can see?

• color

• hardness

• brittleness

• all of the above

The property reflectivity describes how

• easily a material can get scratched.

• much light bounces off a material.

• difficult it is to shape an object.

• all of the above

Tags

NGSS.MS-PS4-2

Which of the following properties is an example of a substance changing into a new substance?

• wood that is burned

• gold that is scratched

• paper that is cut

• sugar that is dissolved

Tags

NGSS.MS-PS1-2

Plastic usually covers power cords because

• plastic has a low thermal conductivity.

• plastic has low electrical conductivity.

• plastic has a high thermal conductivity.

• plastic has a high electrical conductivity.

Tags

NGSS.MS-PS2-3

Which of the following has a high thermal (heat) conductivity?

• glass

• plastic

• metal

• all of the above

Tags

NGSS.MS-PS3-4