8th grade 1st 9 weeks (science)

8th grade 1st 9 weeks (science)

8th Grade

20 Qs

quiz-placeholder

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8th grade 1st 9 weeks (science)

8th grade 1st 9 weeks (science)

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-PS3-5, MS-PS2-2, MS-PS2-4

+4

Standards-aligned

Created by

Sabrina Helm

Used 17+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A ball starts from rest. It rolls down a ramp and reaches the ground after 4 seconds. Its final velocity when it reaches the ground is 7.0 meters/second.

The initial velocity of the ball is ___ meters/second, and its acceleration is ___ meters/second2

0, 1.75

1.75, 0

4, 7

7, 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An airplane is flying at a constant speed in a positive direction. It slows down when it approaches the airport where it's going to land. Which term describes the slowing of the plane?

stationary

positive velocity

positive acceleration

negative acceleration

constant velocity

Tags

NGSS.MS-PS3-5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Andrew pokes a marble, and the marble rolls down a ramp. The marble moves with speed. Which forces are acting on the marble in this situation?

When Andrew pokes the marble, he gives it ___ force

an applied

a tension

a friction

a gravitational

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

As the marble rolls down the ramp, ___ force pulls it down.

tension

normal

gravitational

pressure

Tags

NGSS.MS-PS2-4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The movement of the marble is slowed down by gravitational forcefrictionelastic force from the ramp.

force

friction

elastic

gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kae'Shawn throws a basketball at the gym floor. The ball bounces once on the floor and comes to rest in his coach’s hands. At which point are all the forces on the basketball balanced?

the moment the ball leaves Kae'Shawn's hand

the moment the ball touches the floor

when the ball is in the air

when the ball starts falling downward before coming to rest

the moment the ball comes to a complete rest

Tags

NGSS.MS-PS2-2

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Diana accidently dropped her toy stuffed animal from the balcony of her apartment on the fourth floor. The toy hit the ground at a velocity of 16.0 meters/second. At impact, it took 2.0 seconds for the toy’s velocity to reach 0 meters/second. If the toy has a mass of 0.25 kilograms, what's the force of the impact? Use F = ma, where a= (v-u)/t.

The force of the impact is ___ newtons.

Tags

NGSS.MS-PS2-2

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