Physical Science Part 2

A force can be defined as

• anything that increases acceleration

• a push or pull on an object

• a type of energy

• a resistance to motion

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NGSS.HS-PS2-1

How much work is being done at 12 seconds?

• 1610 J

• 1740 J

• 1800 J

• 2200 J

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If the temperature of the water in cup B continues to decrease as shown on the graph, what temperature is closest to the estimated temperature of the water in cup B at the end of 35 minutes?

• 15°C

• 9°C

• 22°C

• 40°C

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

If the amount of hot water in Cup B was doubled, then

• the temperature of Cup B would go down faster

• less heat would be lost by Cup A to the atmosphere

• the temperature of cup A would be lower than cup B

• the temperature of Cup B would go down slower

Tags

NGSS.MS-PS1-4

The gravitational force between two objects is most affected by their

• mass and volume

• mass and distance

• motion and distance

• motion and volume

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NGSS.MS-PS2-4

What two simple machines are found in a pair of scissors?

• lever and wedge

• screw and lever

• inclined plane and screw

• pulley and wedge

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NGSS.MS-PS2-1

All matter is made up of

• ions

• atoms

• molecules

• cells

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A scientist is dissolving 37 grams of sugar in a beaker containing 150 ml of water at room temperature. What can the scientist do to make the sugar dissolve faster?

• add ice to the beaker

• increase the amount of sugar

• reduce the amount of water

• heat the beaker

Tags

NGSS.MS-PS1-4

Which diagram shows the formation of a water molecule?

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NGSS.MS-PS1-1

Water is an example of

• a mixture

• an solution

• a compound

• a element