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Worksheets

Year 9 Science Review

Total questions: 17

Worksheet time: 7mins

Name
Class
Date
1.

What is the main usage of a Cell wall?

a)

None

b)

Protects the cell

c)

Allows reactions in cell

d)

Allows food to pass

2.

Select all the uses of the Cell Membrane

a)

Defines cell shape

b)

Controls traffic of bio-molecules in and out of cell

c)

Allows reactions in the cell

d)

None

3.

Formula for Acceleration

a)

v^2-u/t

b)

v-v/t

c)

v-u/t

d)

u-v/t

4.

Equation for Momentum

a)

None :D

b)

p2 = m2 + v2

c)

p = m x v

d)

m = p x v

5.

What is the electron configuration of sodium?

a)

[Ne] 2e3

b)

3d10

c)

2,10,8

d)

[Ne] 3s¹

6.

What is the positive part of an atom?

a)

Protons

b)

Electrons

c)

Prontons

d)

2p+31 (Don't Click This)

7.

What is acceleration measured in?

a)

None of the above

b)

m/s^3

c)

m/s

d)

kg m/s

8.
a)

400

b)

375N

c)

375Nm

d)

400N

9.

What are Chloroplasts for?

a)

Producing proteins

b)

Photosynthesis

c)

Gathering energy from the sun

d)

Propellant for bio-energy

10.

Click all that applies to an animal cell

a)

Mitochondria

b)

Nucleus

c)

Cytoplasm

d)

Ribosomes

11.

How much Oxygen is in the Earth's atmosphere?

a)

21%

b)

23%

c)

19%

d)

72%

12.

Calculate the acceleration of a car traveling at 31m/s and accelerating to 75m/s in 3.6s

a)

12.2m/s2

b)

7.8m/s2

c)

13m/s2

d)

15.35m/s2

13.

If a moment of 18.9Nm is applied to a 12.1m level, calculate the force

a)

1.56N

b)

1.56Nm

c)

2.75N

d)

15.6N

14.

What is a ribosome

a)

Something

b)

Cell that produces food

c)

Intercellular structure of a cell that produces proteins

d)

Cell that produces proteins

15.

Bonus Question Jus For Fun:D

What is a Quark?

a)

Group of subatomic particles among the fundamental constituents of matter.

b)

Point particles, conceived of as sub-components of quarks and leptons.

c)

Group of protons that merge together forming a wave of positive energy in strange stars.

d)

Fun Fact: Don't click this and also Answer 3 is 'definitely' wrong :)

16.

Bonus Bonus Question Just For More Fun :D

What is a Dyson Sphere?

a)

A hypothetical megastructure that completely encompasses a star and gathers its solar energy.

b)

A megastructure used to power up the solar system moving it, avoiding solar storms and catastrophic super nova’s.

c)

A small sphere the size of your palm used for something? (This one is wrong)

d)

A sphere that encompasses a star only to terraform it, making it suitable for mankind to live in.

17.

Bonus Bonus Bonus Question (Last one) :D

What is a Stellar engine used for?

a)

This is made up.

b)

Gathering solar energy from solar storms and produce energy for type 2-Ω civilizations.

c)

Moving the Earth.

d)

Moving the Sun and our whole solar system.