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STEM 2021 upper form general science

Total questions: 23

Worksheet time: 17mins

Name
Class
Date
1.
Which of these is the best measure of how much space an object or substance takes up?
a)
mass
b)
length
c)
volume
d)
density
2.
An earthquake is –


a)
crust through which lava escapes
b)
a sudden movement in the earth's crust
c)
a kind of chemical weathering that changes the earth
d)
a huge wave that washes over the earth
3.
Conductor or insulator?  Plastic toy car
a)
Conductor
b)
Insulator
4.
Conductor or insulator?  Metal wire
a)
Conductor
b)
Insulator
5.
what is a hypothesis?
a)
an educated guess 
b)
a theory 
a theory 
c)
hot dog 
6.
What kinetic energy?
a)
Energy of Motion
b)
Potential Energy
c)
Food Energy
7.
1.When the sugar and water in the beaker are combined, they will create a solution because - 
a)
the water will now turn into a gas 
b)
 the sugar will dissolve into the water
c)
. the water will dissolve into the sugar 
d)
 the two substances are chemically              combining and chemically changing their  properties
8.

1. The diagram shows a compound microscope. Four parts of the microscope are labeled A, B, C, and D.Which part of the microscope is used to increase the magnification of the image of the object on the slide?

a)

A

b)

B

c)

C

d)

D

9.

24. The diagram shows a rock being placed in a graduated cylinder containing water. What is the volume of the rock? (Note: 1 mL = 1 cm3)

a)

5

b)

8

c)

10

d)

12

10.

Which blood vessel carries deoxygenated blood?

a)

Artery

b)

Vein

c)

Capillary

d)

None of the above

11.

All of the following animals are reptiles, EXCEPT

a)
b)
c)
d)
12.

What organ in your body absorbs the majority of nutrients from your food?

a)

Small Intestine

b)

Large Intestine

c)

Stomach

d)

Mouth

13.

Which organ is in control of all other organs?

a)

Lungs

b)

Brain

c)

Stomach

d)

Heart

14.

Transpiration is a process in plants that is responsible for -

a)

Making food

b)

Making water

c)

Losing water

d)

Losing food

15.

The amount of moisture in air is its -

a)

Density

b)

Temperature

c)

Humidity

d)

Pressure

16.

Name of the world largest flower is.?

a)

Lotus

b)

Rose

c)

Dahelia

d)

Rafflisia

17.

Which of the following is used in pencils?

a)

Graphite

b)

Silicon

c)

Charcoal

d)

Phosphorous

18.

Chemical formula for water is ?

a)

NaAlO2

b)

H2O

c)

Al2O3

d)

CaSiO3

19.

DNA is the shortened form of the term ‘Deoxyribonucleic acid’?

a)

True

b)

Flase

20.

What kind of organism comes last in every food chain?

a)

Omnivores

b)

Carnivores

c)

Decomposers

d)

Producers

21.

type in your FULL NAME

4 lines
22.

TYPE IN YOUR CLASS

4 lines
23.

TYPE IN YOUR IC NUMBER

4 lines