Science : 7

Science : 7

7th Grade

74 Qs

quiz-placeholder

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Science : 7

Science : 7

Assessment

Quiz

Science

7th Grade

Easy

Created by

Adam T

Used 21+ times

FREE Resource

74 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is NOT an example of one of Newton's laws?

→FBA=−→FBA

Energy cannot be created nor destroyed.

F=ma.

An object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an unbalanced force.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist examined pollen grains in still water and realized they were moving. This was due to the constant collision of the grains with hundreds of particles, which caused the grains to move randomly. What was the name of this motion?

Subatomic particle bombardment.

Benford's law.

Euclidian motion.

Brownian motion.

3.

MULTIPLE SELECT QUESTION

45 sec • 3 pts

Which of the following are laws in the particle theory of matter? Tick all that apply.

Temperature affects the movement speed of particles.

All atoms have the same mass.

All matter is made up of particles.

There are spaces in between particles.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do gas particles move?

Linearly.

Randomly.

Following the uncertainty principle from quantum mechanics.

In a hyperbola - shaped trajectory.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aluminum turning white due to oxidation.

What type of change is this?

Physical change.

Chemical change.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dry ice subliming.

What type of change is this?

Physical change.

Chemical change.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Paper being cut with scissors.

What type of change is this?

Physical change.

Chemical change.

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