Science year 8_1.2 Gas exchange

Science year 8_1.2 Gas exchange

7th Grade

20 Qs

quiz-placeholder

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Science year 8_1.2 Gas exchange

Science year 8_1.2 Gas exchange

Assessment

Quiz

Science

7th Grade

Hard

Created by

Son Pham

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a gas, the particles are usually in what state?

Close to each other

Touching each other

Far apart from each other

Stuck together

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do particles move in a gas?

Move freely

Vibrate in place

Do not move

Only move up and down

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the small holes in the lungs called?

Blood cells

Capillaries

Alveoli

Skin cells

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the characteristics of blood vessels in the lungs?

Thick and hard

Thin and soft

Thick and soft

Thin and hard

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the alveoli?

Store blood

Gas exchange

Digest food

Protect the body

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many layers of cells make up the walls of the alveoli?

Two layers

Three layers

One layer

Four layers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process of gas exchange in the air sacs called?

Respiration

Gas exchange

Diffusion

Dissolution

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