Science
9th Grade
NGSS covered
Used 7+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the acceleration of objects when they fall at a 90° angle?
9.8 m/s² downwards
0 m/s²
1.62 m/s² downwards
19.6 m/s² upwards
9.8 m/s² upwards
Tags
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What causes them to fall with this acceleration?
Gravity
Friction
Magnetism
Electricity
Tags
NGSS.MS-PS2-4
3.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
In the video, one ball is dropped straight down and one is projectile launched horizontally. Which one hits the ground first? And why? (choose 2 options)
Both hit the ground at the same time
The ball falling straight down hits the ground first
The ball tossed horz. hits the ground first
horz. and vertical motion depends on each other
horz. and vertical motion are independent of each other
Tags
NGSS.MS-PS2-4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Why does a piece of paper fall slower than a pencil?
gravity isn't as strong on the paper
actually, they hit the ground at the same time
air resistance keeps the paper in the air longer
gravity is stronger on the pencil
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens to the velocity of a ball as it is dropped off a cliff?
It decreases with a constant acceleration
It increases with a constant acceleration
It remains constant the whole time
It increases with a changing acceleration
Tags
NGSS.MS-PS2-4
NGSS.MS-PS2-2
NGSS.MS-PS3-1
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens to the acceleration of a ball as it is dropped off a cliff?
It decreases with a constant acceleration
It increases with a constant acceleration
It remains constant the whole time
It increases with a changing acceleration
Tags
NGSS.MS-PS2-4
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
If you throw a baseball straight up, its acceleration at the highest point is (a) m/s2.
Tags
3.2 (Projectile Motion)
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