Physical Science Mid Term 2020

Physical Science Mid Term 2020

7th - 8th Grade

30 Qs

quiz-placeholder

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Physical Science Mid Term 2020

Physical Science Mid Term 2020

Assessment

Quiz

Science, Physics

7th - 8th Grade

Hard

Created by

Sabrina Adler

Used 7+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which car is accelerating?

a car that is unmoving

a car that rounds a curve at a constant speed

a car that travels in straight line at a constant speed

a car that is set to a constant speed of 60 miles per hour

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When gasoline is burned in a car engine, ________ energy is converted into _________ energy.

heat, chemical

chemical, potential

mechanical, chemical

chemical, mechanical

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 10.0 kilogram mass of iron on earth exerts a downward force of 98 Newtons. On the moon this same 10.0 kilograms of iron is weighed and found to exert a downward force of 16.3 Newtons. How is this possible?

The earth is farther away reducing the pull.

Mass begins to evaporate in the vacuum of space.

Weight is the same everywhere, but mass changes.

The gravity on the moon is one sixth the gravity of Earth.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an example of electrical energy being converted or changed into light energy?

the sun

a light bulb

a solar panel

a glowstick at Halloween

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are sitting in a car that isn't moving; suddenly, the car quickly accelerates. Your body seems to be pushed back against the seat. Which word best explains why your body seemed to be pushed backward against the seat?

newton

vector

inertia

gravity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does an object in motion stay in motion unless acted on by an unbalanced force?

because forces are what stop and start motion

B)because balanced forces cannot exist in nature

because motion is the inherent state of all matter

because motion, once begun, continues to accelerate

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is an example of gaining a static charge by conduction?

Rubbing a balloon against your hair.

Shuffling your shoes across a carpet.

Bringing a charged rod near an electroscope

Touching your car on a cold day and getting a shock.

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