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Worksheets

science grade 4

Total questions: 11

Worksheet time: 5mins

Name
Class
Date
1.

Blood moves in and out of the gills through ....

a)

operculum

b)

blood vessels

c)

gills arch

2.

Fish take in oxygen-rich water through ....

a)

mouth

b)

nose

c)

blood vessel

3.

These are organs of fish which supply oxygen. These are.....

a)

operculum

b)

gills

c)

lamellae

4.
My body is moist and smooth, I lay eggs, and live in or near the water.  What am I?
a)
Amphibian
b)
Reptile
c)
Bird
d)
Fish
5.

how do fish breath underwater?

a)

they are magical

b)

they breath out of gills

c)

they have these really cool looking magical non existing air bubbles and they breath the air under water

d)

they don't breath under water

6.

Which animal can breathe through their skin?

a)
b)
c)
d)
7.

Is this an amphibian?

a)

yes

b)

no

8.

How do amphibians mainly breathe?

a)

Through their ears.

b)

Through their skin.

c)

Through their eyes.

d)

Through their nose.

9.

Frogs keep their skin wet, this helps them ________

a)

take baths

b)

Find food

c)

See better in the water

d)

Breathe with their skin

10.

A frog has ___________ to breathe

a)

lungs

b)

gills

c)

they do not need to breathe

d)

Lungs and skin

11.
As adults, amphibians breathe through 
a)
Gills and skin
b)
Lungs and gills
c)
Lungs and skin