Unit 1: Matter and Its Interactions

A material that is a good conductor will..

• gain the most heat in the shortest amount of time

• lose the least head in the most amount of time

• never gain heat

• never lose heat

Tags

NGSS.MS-PS3-3

To keep a warm beverage warm, you should use a good

• conductor

• insulator

• coffee brand

• water brand

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NGSS.MS-PS3-3

A variable is...

• Materials / steps / procedures you can change during an experiment.

• Different types of experiments.

• The results of an experiment.

• The time it takes to create an experiment

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NGSS.MS-PS2-2

Dissolving 5g of sugar into 400g will result in a ______ solution.

• 395g

• 5g

• 400g

• 405g

Melting, freezing, evaporating, and condensing are examples of

• Physical Changes

• Chemical Changes

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Cutting a 5g piece of paper into two equal pieces will result in pieces with masses of...

• 5g and 5g

• 2.5g and 2.5g

• 10g

• 0g

A clay mug weights 3 pounds. If you put it in the microwave it will become warm. Which choice describes the weight of the warm mug?

• The warm mug will weigh 3 pounds

• The warm mug will weigh more than 3 pounds

• The warm mug will weigh less than 3 pounds

• The warm mug's weight cannot be determined

Which of the following is NOT an example of evidence a chemical change has occurred?

• Unexpected change in color

• Formation of a gas (bubble)

• Unexpected change in temperture

• Evaporation of a liquid

Tags

NGSS.MS-PS1-2

Why are some materials good insulators of heat?

• because they can slowly transfer heat

• because they can easily be bent when heated

• because they absorb heat without touching an object

• because they require a small amount of heat to melt

Tags

NGSS.MS-PS3-3

I have three pieces of rock. Their masses are 30g, 40g, and 70g. If I melt the rocks down to lava and have them cool into one larger rock, what will the mass of my new rock be?

• 0g

• 100g

• 140g

• 70g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5