Matter Lessons 3-4 Review

Which of the following is a property that you can see and/or test?

• 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

• iron pyrite that is broken

• sugar that is dissolved

Tags

NGSS.MS-PS1-2

Fred is building a machine in his garage. Which would be the best material for him to use if he wants his machine to have both high thermal and electrical conductivity?

• glass

• copper

• wood

• plastic

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Liam woke up this morning with an upset stomach, so his dad gives him an antacid tablet to help him feel better. Liam observes that adding the antacid tablet to a glass of water causes it to fizz. What property is the fizzing evidence of?

• brittleness

• electrical conductivity

• thermal conductivity

• ability to change into new substances

Tags

NGSS.MS-PS1-2

A difference between copper and plastic is that copper has a much higher

• brittleness.

• solubility.

• refelctivity.

• electrical conductivity.

The four different properties you can easily see are

• conductivity, reflectivity, hardness, and solubility.

• brittleness, hardness, conductivity, and color.

• hardness, color, brittleness, and reflectivity.

• color, reflectivity, solubility, and brittleness.

How can you test the hardness of a material?

• bend it with your hands

• scratch it

• flatten it with a hammer

• dissolve it in a substance

A substance’s _____________ is whether it can be shaped or not.

• hardness

• conductivity

• brittleness

• reflectivity

Plastic usually covers power cords because

• plastic has a low thermal conductivity.

• plastic has a low electrical conductivity.

• plastic has a high thermal conductivity.

• plastic has a high electrical conductivity.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS2-3