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3rd Year Revision questions

Total questions: 93

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

Which of the following is a waste product of Photosynthesis

a)

water

b)

carbon

c)

hydrogen

d)

oxygen

2.
How many chambers does the heart have?
a)
1
b)
2
c)
3
d)
4
3.
The arrow indicates the
a)
Right atrium
b)
Left ventricle
c)
Right ventricle
d)
Left atrium
4.
The arrow indicates the 
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
5.
The arrow indicates the
a)
Right ventricle
b)
Aorta
c)
Right atrium
d)
Atrium
6.
The arrow indicates the
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
7.
These structures carry deoxygenated blood to the heart.
a)
Arteries
b)
Veins
c)
Capillaries
d)
Vena Cava
8.
The arrow indicates the 
a)
Pulmonary vein
b)
Right atrium
c)
Aorta
d)
Pulmonary artery
9.

What is the arrow pointing to?

a)

right atrium

b)

left atrium

c)

right ventricle

d)

left ventricle

10.

HOW MANY PLANETS ARE IN OUR SOLAR SYSTEM?

a)

5

b)

8

c)

7

d)

9

11.

WHAT ARE THE NAMES OF THE PLANETS?

a)

SUN, MOON, EARTH AND JUPITER.

b)

NEPTUNE, VENUS, EARTH, MOON, STONE AND SUN.

c)

MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS AND NEPTUNE.

d)

MERCURY, VENUS, EARTH, MARS, MOON, STARS, SUN AND CLAY.

12.

WHAT IS A BIG BALL OF GAS THAT MAKES LIGHT AND SHINE?

a)

LANTERN

b)

STAR

c)

URANUS

d)

CLOUD

13.

COMPLETE: "IN SPACE WE DON'T HAVE ______________".

a)

ALIENS

b)

GRAVITY

c)

PLANETS

d)

STARS

14.

HOW DO THE SCIENTISTS EXPLORE THE PLANETS?

a)

USING ROBOTS

b)

USING MICROSCOPES

c)

SEARCHING ON GOOGLE

d)

READING BOOKS

15.

What is it?

a)

Solar System

b)

Orbit

c)

Reflect

16.

The Sun is a ________, a huge ball of glowing gases.

a)

planet

b)

asteroid

c)

star

d)

comet

17.

Large objects that are made of gas or rocks are called

a)

asteroids

b)

comets

c)

stars

d)

planets

18.

All the things that exist in space.

a)

universe

b)

galaxy

c)

sun

d)

planet

19.

A very large group of stars and planets.

a)

universe

b)

galaxy

c)

star

d)

Earth

20.

What is the name of our Galaxy?

a)

Saturn

b)

Milky Way

c)

Superman

d)

Wonder Woman

21.

Group from largest to smallest.

a)

solar system, galaxy, universe

b)

universe, solar system, galaxy

c)

universe, galaxy, solar system

d)

galaxy, universe, solar system

22.

I am a state of matter: my molecules are very close together and hardly move. I am ____________.

a)

Solid

b)

Liquid

c)

Gas

d)

Oblek

23.

I am a state of matter: my molecules are jumping all over the place. I must be a _________.

a)

Solid

b)

Liquid

c)

Gas

d)

Oblek

24.

I am a state of matter: my molecules move past each other easily, but they are pretty close together.

a)

I am a solid

b)

I am a Liquid

c)

I am a gas

25.
A liquid changes to a gas during _________.
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Sublimation
26.

Identify the process shown in the picture.

a)

Evaporation

b)

Melting

c)

Freezing

d)

Condensation

27.

Identify the process shown in the picture

a)

Evaporation

b)

Freezing

c)

Melting

d)

Condensation

28.

In the process of evaporation__________________

a)

solid changes into liquid

b)

liquid changes into solid

c)

liquid changes into gas

d)

gas changes into liquid

29.

What is this piece of equipment?

a)

graduated cylinder

b)

beaker

c)

erlenmeyer flask

d)

florence flask

30.

What is this piece of equipment?

a)

florence flask

b)

test tube

c)

beaker

d)

graduated cylinder

31.

What is this piece of equipment?

a)

glass stirring rod

b)

evaporating dish

c)

mortar and pestle

d)

tweezers

32.

What is the name of this piece of equipment?

a)

Beaker

b)

Conical flask

c)

Measuring cylinder

d)

Evaporating Basin

33.

What is this piece of equipment called?

a)

Retort stand

b)

Parallel stand

c)

Test tube stand

d)

Chemistry stand

34.
What is this?
a)
bunsen burner
b)
balance
c)
lab stand
d)
ring clamp
35.
How do plants grow? 
a)
Testable
b)
Nontestable
36.
What amount of sunlight is best to grow daffodils? 
a)
Testable
b)
Nontestable
37.
What makes something sink or float? 
a)
testable 
b)
nontestable
38.
What happens when something freezes? 
a)
testable 
b)
nontestable
39.
How does the surface on which a car moves affect how fast it goes? 
a)
testable
b)
nontestable
40.
What do birds eat? 
a)
testable
b)
nontestable
41.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
42.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
43.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
44.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
45.
Which item is an acid?
a)
Drain cleaner
b)
Ammonia
c)
An orange.
46.
Vinegar is a base.
a)
True
b)
False
47.
What is the pH of water?
a)
11
b)
4
c)
7
48.
Where does most of the energy go in this transformation.
a)
Electrical energy
b)
Light
c)
Heat
d)
other
49.
Where does most of the energy go for this transformation.
a)
heat
b)
electrical
c)
light
d)
joules
50.

What is this diagram called?

a)

Stankey Diagram

b)

Sankey Diagram

c)

Sankay Diagram

d)

Samkay Diagram

51.

The energy efficiency shown in this diagram is:

a)

About 10%.

b)

About 30%.

c)

About 60%.

d)

Impossible to tell.

52.
What type of energy is best represented by a battery?
a)
Sound
b)
Thermal
c)
Mechanical
d)
Chemical
53.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

54.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

55.

When you eat food, your body gains ___________ energy.

a)

electrical

b)

chemical

c)

thermal

d)

light

56.

What word or words describes kinetic energy?

a)

Energy of position

b)

stored energy

c)

movement

d)

not moving

57.

Fire is an example of what two energies?

a)

Electrical and Sound

b)

Mechanical and Sound

c)

Light and Thermal

d)

Chemical and Elastical

58.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
59.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
60.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
61.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
62.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
63.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
64.
Evaporation happens when the sun ___________ water and turns it into vapor.
a)
cools
b)
heats up
c)
freezes
d)
lights up
65.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
66.

Which of these is the most common pigment found in plants?

a)

carotenoids

b)

blue

c)

red

d)

chlorophyll

67.

What three things do plants need for the process of photosynthesis?

a)

Sunlight,oxygen and sugar

b)

Water, soil, and oxygen

c)

Sunlight, carbon dioxide, oxygen, and water

d)

Sunlight, soil, water

68.

In the circuit, the bulb lights up because there is ............... flowing in the closed circuit.

a)

battery

b)

current

c)

resistance

d)

voltage

69.

SI unit of current is

a)

ampere

b)

metre

c)

ohm

d)

volt

70.

SI unit of voltage is

a)

ampere

b)

metre

c)

ohm

d)

volt

71.

This is the symbol for

a)

ammeter

b)

light bulb

c)

resistor

d)

voltmeter

72.

This is the symbol for

a)

ammeter

b)

light bulb

c)

resistor

d)

voltmeter

73.
If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?
a)
5 V
b)
12 V
c)
0.2 V
d)
20 V
74.

What does RECYCLING mean?

a)

throw away

b)

give things to other people

c)

make new things out of old ones

d)

using things again and again

75.

Where do you take your plastic bottles?

a)

into rubbish bin

b)

recycling bank

c)

buy-back centre

d)

bin

76.

What do you do with newspapers and magazines?

a)

nothing

b)

burn

c)

take them to a buy-back centre

d)

take them to a recycling bank

77.

Where should glass bottles be taken?

a)

rubbish bin

b)

buy-back centre

c)

back to shop

d)

recycling bank

78.

What is the name of this separation technique?

a)

Simple distillation

b)

Fractional distillation

c)

Boiling

d)

Evaporation

79.

Which of the following statements tells us that a sample of liquid is pure water?

a)

It is colourless.

b)

It leaves no residue when filtered.

c)

It boils at 100oC.

d)

It is odourless.

80.

What is the name of this separation technique?

a)

distillation

b)

filtration

c)

evaporation

d)

chromatography

81.

For paper chromatography to work,

a)

the dyes must have different boiling points.

b)

the dyes must have different solubilities in the solvent.

c)

the starting line on the chromatogram must be drawn using pen.

d)

The starting line must be below the level of the solvent.

82.

Charcoal powder is insoluble in water. When water is filtered, the charcoal powder becomes the _______.

a)

solute

b)

residue

c)

filtrate

d)

solvent

83.

What is the basis for separating the components of a mixture through distillation?

a)

freezing point of the substances

b)

room temperature

c)

decaying period

d)

boiling pint of the substances

84.

Dyes in water soluble markers may be separated by means of

a)

Simple distillation

b)

Crystallisation

c)

Chromatography

d)

Filtration

85.

Which of the following techniques can we use to separate homogeneous mixtures?

a)

Crystallisation

b)

Distillation

c)

Evaporation

d)

All of the above

86.

Name the separation technique

a)

Centrifuge

b)

Bunsen burner

c)

Distillation

d)

Evaporation

87.

Name the separation technique

a)

Distillation

b)

Crystallisation

c)

Magnetic Separation

d)

Condensation

88.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
89.
What is the NAME of....
Na2S
a)
sodium (II) sulfide
b)
sodium sulfide
c)
disodium sulfide
d)
sodium sulfur
90.

Name this compound: KF

a)

Potassium fluoride

b)

Potassium fluorite

c)

Fluorine potasside

d)

Potassium fluorate

91.

How many valence electrons does Oxygen (O) have?

a)

6

b)

8

c)

15

d)

16

92.

How many atoms of hydrogen are in a sugar molecule with the formula C6H12O6

a)

12

b)

6

c)

24

d)

18

93.

Atoms that are _____________ will form bonds.

a)

stable

b)

unstable

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