Natural Science combined topics Exam worksheet for November

Question 1

True or false

A reptile is a warm blooded animal.

Answer 1

FALSE: tortoise is a reptile

Question 2

True or false

Your ears help you balance properly

Answer 2

TRUE:

Question 3

True or false

When something has energy , it is able to work.

Answer 3

TRUE

Question 4

True or false

The earths core is about 200km from the earths surface

Answer 4

FALSE, it is 1000’s of KM to the center of the Earth

Question 5

Witch animal is the odd one out.

a) elephant
b) wild dog
c) mountain tortoise
d) kangaroo

Answer 5

c) Mountain tortoise, is a reptile

Question 6

De-composers change …………. plants and animals into important nutrients that make the soil fertile.

a) dead
b) all
c) green
d) flowering

Answer 6

a) dead

De-composers change dead plants and animals into important nutrients that make the soil fertile.

Question 7

The hole in the middle of the eye is called the ……………..

a) pupil
b) retina
c) cornea
d) iris

Answer 7

a) pupil

The hole in the middle of the eye is called the pupil.

Question 8

what does a candle need to keep burning?

a) oxygen
b) nitrogen
c) carbon dioxide
d) carbon monoxide

Answer 8

a) oxygen

Question 9

which is an example of NON- renewable energy source?

a) solar power
b) wind power
c) coal power
d) hydroelectric power

Answer 9

c) coal

Is an example of NON- renewable energy source

Question 10

Which one of the following substances would you use to conduct electricity the best?

a) A metal
b) A non metal
c) glass
d) liquid

Answer 10

a) Metal

conduct electricity the best

Question 11

To put out a fire caused by an electrical appliance, you should use….

a) bucket of water
b) a blanket
c) a hose from the garden
d) a fire extinguisher

Answer 11

d) a fire extinguisher

NEVER use water fro an electrical fire
Blanket would catch alight

Question 12

when top soil is fertile it……

a) is always light in colour
b) contains lots of nutrients
d) smells sweet

Answer 12

b) contains lots of nutrients

When top soil is fertile it contains lots of nutrients

Question 13

Rocks formed by the cooling of molten larva are called…

a) sedimentary
b) volcanic
c) igneous
d) metamorphic

Answer 13

c) igneous

Rocks formed by the cooling of molten larva are called igneous

Question 14

This soil can not hold water and does not have much food for plants

a) sandy soil
b) clay
c) silt
d) loam

Answer 14

a) sandy soil

Sandy soil can not hold water and does not have much food for plants.

Question 15

In a light bulb, the electrical energy is converted into light and …………… energy

Answer 15

In a light bulb, the electrical energy is converted into light and HEAT energy

Question 16

The dark material found in soil is called ……………….
It is made up of decomposed plants and animals

Answer 16

HUMUS