Changes in Force and Motion

Changes in Force and Motion

8th Grade

11 Qs

quiz-placeholder

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Changes in Force and Motion

Changes in Force and Motion

Assessment

Quiz

Science

8th Grade

Easy

NGSS
MS-PS2-2, MS-PS2-4, MS-PS2-1

+1

Standards-aligned

Created by

Erin Larsen

Used 2+ times

FREE Resource

11 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

If mass increases, what must happen to the force in order to achieve the same change in motion?

Evaluate responses using AI:

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Answer explanation

The greater the mass of the object, the greater the force needed to achieve the same change in motion.

Tags

NGSS.MS-PS2-2

2.

OPEN ENDED QUESTION

3 mins • 1 pt

A boulder sits at rest on top of a mountain. What conclusion can be made about the forces acting on the boulder?

Evaluate responses using AI:

OFF

Answer explanation

The forces acting on the boulder are balanced (net force equals zero).

Tags

NGSS.MS-PS2-4

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

A diagram of forces being applied to a box by four people is illustrated below. If the net force acting on the box is 10N to the right, what is the magnitude of the force applied by the boy pulling to the left?

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Answer explanation

14 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Juan and Jose are having an argument about their science book. Juan says that since the book is sitting still, there are no forces acting on it. Jose says there are forces acting on the book. Which student is correct? Explain why.

Evaluate responses using AI:

OFF

Answer explanation

Jose is correct because gravity is a force acting on all objects on Earth. However, the forces are balanced so the book is not moving (the net force on the book is zero).

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What can cause a change in an object’s motion?

Evaluate responses using AI:

OFF

Answer explanation

The change in an object’s motion depends on the sum of the forces on the object and the mass of the object.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The illustration shows the forces in Newtons (N) acting on three different blocks. Which blocks will experience a change in motion, or acceleration?

Blocks 1 and 2

Blocks 2 and 3

Blocks 1 and 3

Blocks 1, 2, and 3

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The illustration shows all the forces in Newtons (N) acting on a box. The sum of all the forces acting on the box results in a force acting on the box–

to the right with a strength of 11 Newtons

to the left with a strength of 7 Newtons

to the right with a strength of 25 Newtons

to the left with a strength of 6 Newtons

Tags

NGSS.MS-PS2-2

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