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Science Biweekly 11 Practice

Riddle

Played 15

About this activity

After studying p. 86-87, p. 108-109, play to review.

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Mexico

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Science Biweekly 11 Practice
 

Science Biweekly 11 PracticeOnline version

After studying p. 86-87, p. 108-109, play to review.

by ADARELY RUIZ
1

This vocabulary word means "effect"

Hints

The human use of energy has effects or ______ on the environment.

2

The release of substances into the environment.

Hints

Think about the release of toxic gases into the air.

Check p.86

3

a harmful substance

Hints

This substances can poison land, water, and air.

4

It helps reduce the amount of pollutants that get into the air.

Hints

Most power plants today use it to reduce pollution.

5

It is a pollutant that increases the atmosphere's ability to hold heat.

Hints

These gases are mainly carbon dioxide.

Mainly produced by combustion.

6

The greatest hight of a wave from its resting position.

Hints

It is a part of a wave.

Letter B

7

the distance between similar points on a wave.

Hints

Letter E on the image

It can be measured from the lowest point of the wave to the next lowest point.

8

is the number of wave repetitions in a certain amount of time.

Hints

It is related to the pitch of the sound.

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