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Y9 General science exam revision
Y9 General science exam revision
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1
Oil, Natural gas and coal are examples of....?
Geothermal resources
Fossil Fuels
Biofuels
Renewable resources
2
At what position does the pendulum have teh greatest gravitational potential energy?
Position B
Postition C
Position D
3
When focusing a microscope, the objective lens is 40x and the eye piece is 10x... what is the total magnification?
40x
4x
10x
400x
4
which states of matter have the ability to flow?
solid
liquid and gas
Solid and liquid
gas
5
All food chains start with ....?
A Producer
A herbivore
The sun
the primary consumer
6
Iodine is used to show that a plant has produced.....?
Starch through photosynthesis
Oxygen through photosynthesis
Water through respiration
Starch through respiration
7
What are 3 things that biological drawings must have?
Pencil, shading and labels
Pencil, single lines and labels
Pencil, feathery lines and labels
Pencil, ruled lines and labels
8
where do plants get their energy from?
herbivores
the sun
the earth
the roots
9
The centre of the atom is called ...?
Nucleus
Centre
Core
Neutron
10
What does it mean if something is energy efficient?
The energy has changed form
Energy comes from the electricity and is turned into light
Most or all the energy is transferred into the ‘purpose’ of that object
Some of the energy has been tranferred but also creates a lot of heat
11
Organisms feeding on other living organisms as a source of energy and nutrients are...?
Decomposers
Consumers
Pests
Producers
12
What is the order of a scientific write up
Aim, hypothesis, results, method, conclusion
Aim, hypothesis, method, results, conclusion
Aim, Method, results, conclusion, discussion
Aim, method, conclusion, graph, discussion
13
Animals that feed on both plants and animals are...?
Detritivores
Herbivores
Carnivores
Omnivores
14
An atom is made up of:
Ions, protons and electrons
Neutrons, electrons and molecules
Molecules, neutrons and ions
Electrons, neutrons and protons
15
What is the change of state from a solid straight to a gas called?
Melting
Freezing
Sublimation
Evaporating
16
What is the charge of a neutron?
Neutral
Positive
Negative
17
What is the charge of an electron?
Neutral
Positive
Negative
18
Which of the following describes a chemical change?
lost or gained mass
colour change
change state of matter
New smell
19
compressed gasses....
are pushed close together so act like a liquid
Are spread apart so become air
Are pushed close together so act like a solid
Are spread apart so are flammable
20
Which of the following substances are ALL elements?
Air, Oxygen, Nitrogen
Carbon Dioxide, Iron, Salt
Iron, Sulfer, Oxygen
Water, Air, Oxygen
21
which states of matter have a fixed volume?
liquid and gas
gas
Solid and liquid
solid
22
In a hydropower plant, the water stored in the dam has..... energy?
chemical potential
electrical
gravitational potential
kinetic
23
Which seed is dispersed by sticking to animal fur?
C
B
A
D
24
what is the law of conservation of energy?
Energy cannot be created or destroyed, it can be transfered & transformed
Energy cannot be created, destroyed, transfered or transformed
energy cannot be created. it can be destroyed, transfered and transformed
Energy can be created or destroyed. it cannot be transfered and transformed
25
A rock is thrown straight up. Which statement is correct?
The total energy of the rock increases
Both the kinetic energy and potential energy stays the same
The kinetic energy increses and the potential energy decreases
The kintetic energy decreases and the potential energy increases
26
Where would an object have the most potential energy?
It never has potential energy
The bottom of a hill
The top of a hill
On the way down a hill
27
cooling a substance causes particles to....?
lose energy, spread out, move less
lose energy, come closer together, move less
gain energy, come closer together, move more
gain energy, spread out, move more
28
which of the following are molecules?
Blue and green
Yellow and Green
yellow
Green
29
Batteries store energy as ..... energy?
Chemical
Motion
Electrical
Solar
30
As an object moves faster, it's kinteic energy....?
Stays the same
Increases
Decreases
31
which states of matter have a fixed shape?
liquid and gas
solid
gas
Solid and liquid
32
photosynthesis produces the following products
Oxygen and water
Glucose and oxygen
Glucose and Carbon Dioxide
Carbon dioxide and water
33
Is there air inside of an empty bottle?
if i blow into it
sometimes
yes
no
34
Wind turbines convert....?
Electrical energy into kinteic energy
Electrical energy into wind energy
Kinetic energy into electrical energy
Wind energy to kinetic energy
35
which of the following are elements?
yellow
Green
Blue and green
Yellow and Green
36
What equipment is needed to heat 200mL of liquid in the science lab?
Bunsen burner, boiling tube, test tube holder
Bunsen burner, conical flask, tripod, protective mat
Bunsen burner, tripod, gauze mat, beaker, protective mat
Bunsen burner, wretort stand, beaker, protective mat
37
What is the charge of a proton?
Negative
Positive
Neutral
38
Which organelles do plant cells have that animal cells do not?
Chloroplasts and a cell membrane
Chloroplasts and a cell wall
Chloroplasts and a nucleus
Chloroplasts and mitochondria
39
What must you do first when lighting a bunsen burner?
Check the air hole is open
Turn on the gas
Light the match
Check the air hole is closed
40
What is the function of the roots of a plant?
To absorb water and nutrients from the soil
It helps the plant feel where to grow
To help photosynthesis
To make food from the soil
41
What type of flame is produces if the air-hole of a bunsen burner is open?
Cool and Dirty
Cool and Yellow
Hot and Yellow
Hot and Clean
42
Will a varigated leave do photosynthesis in the yellow parts?
Yes - photosynthesis requires yellow pigment
No- the sun cannot reach it
No- photosynthesis requires green pigment
Yes - photosynthesis happens all over the leaf
43
If 0 blocks = 60cm above a desk, and 3 blocks = 30cm above the desk how many blocks are needed to reach the desk?
4
7
5
6
44
which of the following are compounds?
yellow
Green
Yellow and Green
Blue and green
45
A food web is...
A set of inconnected food chains with trophic relationships
A set of interconnected species
The trophic levels that can be observed in an ecosystem
The set of prey species that are consumed by animals in an ecosystem
46
heating a substance causes particles to....?
lose energy, come closer together, move less
lose energy, spread out, move less
gain energy, spread out, move more
gain energy, come closer together, move more
47
An inflated balloon is placed in the fridge. Which statement describes the movement of the gas particles in the balloon?
The particles move faster and come closer together
The particles move slower and come closer together
The particles move faster and go further apart
The particles move slower and go further apart
48
In a measuring cylinder, a rock displaces the water from 20mL to 23mL. what is the volume of the rock?
20mL
23mL
43mL
3mL
49
in equations used in chemistry, physics and biology, the arrow represents....?
The movement or flow of energy
what the important part is
The one that is used
which direction its going
50
photosynthesis requires the following ingredients
Carbon dioxide and water
Glucose and Carbon Dioxide
Oxygen and water
Glucose and oxygen
