Semester Review

Acceleration can be... (select all that apply)

• speeding up

• slowing down

• staying at constant speed

• changing directions

Tags

NGSS.MS-PS2-2

What is the equation for velocity?

• distance divided by time

• speed divided by time

• displacement divided by time

• acceleration divided by time

Select the equation for acceleration.

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Select all the scenarios that represent acceleration of the car.

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Tags

NGSS.MS-PS2-2

The image shows two cars with the same speed moving in different directions. What is true about the velocity of the cars?

• Each car has the same velocity because the speeds are the same.

• Each car has a different velocity because they are going in different directions.

This position - time graph shows an an object

• that is stationary

• that is speeding up

• that is slowing down

• that has constant velocity

Tags

NGSS.MS-PS3-1

A train decelerates from a velocity of 90 m/s to 80 m/s in 10 seconds. What is the train's acceleration?

• -1 m/s²

• 1 m/s²

• 10 m/s²

• -10 m/s²

Tags

NGSS.MS-PS2-2

The amount of matter in an object is 

• pressure
• weight
• mass
• force

Tags

NGSS.MS-PS3-1

NGSS.MS-PS1-1

The scientific unit of weight is

• Kg
• N
• pounds
• Kgm/s

Mass is ________. (more than one answer)

• the quantity of matter in an object.

• the measure of an object's inertia.

• equal to the weight of an object.

• constant for most objects.