Free Printable Year 9 Science Exam

1.

What is ecology?

a)

A living or dead thing

b)

A non-living or physical factor

c)

Living and non-living factors interacting to form an environment

d)

The study of how organisms interact with living and non-living factors around them

2.

What is an ecosystem?

a)

The study of how organisms interact with living and non-living factors around them

b)

The non-living and physical factors of an environment

c)

The living and dead factors of an environment

d)

Living and non-living factors interacting to form an environment

3.

What is a biotic factor?

a)

A feature that enables an organism to survive

b)

A living or dead factor in an environment

c)

A non-living or physical factor in an environment

d)

An ecosystem that is not able to sustain itself

4.

Which are examples of biotic factors?(Select all that apply)

a)

Tree bark

b)

Wombat faeces

c)

Mud

d)

A dead bird

5.

What is an abiotic factor?

a)

A living or dead factor of an environment

b)

A non-living or physical factor of an environment

c)

Cells

d)

Apex predator

6.

Which of these is an abiotic factor?(Select all that apply)

a)

Oxygen levels

b)

Temperature

c)

Water

d)

Snake skin

7.

What are adaptations?

a)

Cells

b)

Features that enable an abiotic factor to survive and reproduce in its ecosystem

c)

Plants

d)

Features that enable an organism to survive and reproduce in its ecosystem

8.

The types of adaptations are...(Select all that apply)

a)

Symbiotic

b)

Behavioural

c)

Structural

d)

Physiological

9.

What is a structural adaptation?

a)

A feature that is active in homeostasis

b)

Things an organism does to help them survive

c)

Physical characteristics or a body part that help an organism to survive

d)

A function of the body that helps an organism survive

10.

What is a behavioural adaptation?

a)

A thing an organism does to help it survive

b)

A physical feature of body part that helps an organism to survive

c)

A living factor of an ecosystem

d)

A function of the body that helps an organism to survive

11.

What is a physiological adaptation?

a)

A physical feature or body part that helps an organism to survive

b)

A function of the body that helps an organism to survive

c)

A thing that an organism does to help it survive

d)

An abiotic factor

12.

A bear has large claws. What type of adaptation is this?

a)

Structural

b)

Physiological

c)

Behavioural

13.

Dolphins use echolocation to communicate with each other. What type of adaptation is that?

a)

Structural

b)

Behavioural

c)

Physiological

14.

An owl is nocturnal. What type of adaptation is this?

a)

Structural

b)

Behavioural

c)

Physiological

15.

A camel has humps which help it store water. What type of adaptation is this?

a)

Structural

b)

Physiological

c)

Behavioural

16.

A snake produces poison. What type of adaptation is this?

a)

Structural

b)

Behavioural

c)

Physiological

17.

Penguins have a layer of blubber. What type of adaptation is this?

a)

Structural

b)

Behavioural

c)

Physiological

18.

What is a symbiotic relationship?

a)

An interaction between two or more species

b)

A relationship between a married couple

c)

An interaction between two or more abiotic factors

d)

MRSCGREN

19.

In this symbiotic relationship, one species(the predator) eats another species (the prey). This is:

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

20.

In this symbiotic relationship, one organism (the parasite) benefits and the other organism is infected and harmed (the host). This is:

a)

Parasitism

b)

Commensalism

c)

Predation

d)

Mutualism

21.

In this symbiotic relationship, multiple species are competing for a food source. This is:

a)

Commensalism

b)

Competition

c)

Predation

d)

Mutualism

22.

In this symbiotic relationship, one organism benefits whilst the other organism in unharmed. This is:

a)

Mutualism

b)

Parasitism

c)

Predation

d)

Commensalism

23.

In this symbiotic relationship, both organism benefit. This is:

a)

Predation

b)

Commensalism

c)

Mutualism

d)

Competition

24.

Barnacles attach to themselves to whales, however this doesn't bother the whale. This symbiotic relationship is an example of:

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

25.

Multiple species of birds compete against each to obtain worms. The symbiotic relationships shown are:(Select all that apply)

a)

Predation

b)

Competition

c)

Mutualism

d)

Parasitism

26.

Cleaner fish clean the teeth of sharks, helping the shark to have clean teeth and also helping the cleaner fish to gain food. This symbiotic relationship is an example of:

a)

Predation

b)

Mutualism

c)

Competition

d)

Commensalism

27.

Brown bears have just come out of hibernation. They decide to have a walk in the forest and look for some berries and fish to eat. They notice that all the berry bushes have been destroyed and that there is no fish left in the lake.

Select the abiotic factors that may be related to the situation

a)

Water

b)

Sunlight

c)

Rocks

d)

Mud and Soil

28.

Brown bears have just come out of hibernation. They decide to have a walk in the forest and look for some berries and fish to eat. They notice that all the berry bushes have been destroyed and that there is no fish left in the lake.

Select the biotic factors that may be related to this extract

a)

Faeces of the brown bears

b)

Trees

c)

Berries

d)

Kangaroos

29.

Brown bears have just come out of hibernation. They decide to have a walk in the forest and look for some berries and fish to eat. They notice that all the berry bushes have been destroyed and that there is no fish left in the lake.

In the extract, what adaptation was mentioned and what type of adaptation was it?

a)

Hibernation and physiological

b)

Hibernation and behavioural

c)

Scavenging and physiological

d)

Scavenging and structural

30.

Brown bears have just come out of hibernation. They decide to have a walk in the forest and look for some berries and fish to eat. They notice that all the berry bushes have been destroyed and that there is no fish left in the lake.

What type of symbiotic relationship is there between the fish and the brown bears

a)

Mutualism

b)

Competition

c)

Predation

d)

Commensalism

31.

Brown bears have just come out of hibernation. They decide to have a walk in the forest and look for some berries and fish to eat. They notice that all the berry bushes have been destroyed and that there is no fish left in the lake.

The brown bears have to now depend on their other food source of roots. What might happen to the population of the bears and the roots

a)

The bears will stay the same and the roots will go down

b)

The bears population will go down and the population of the roots will stay the same

c)

The roots population will go down, and because they'll be little food left after the roots have been eaten, the bears population will also go down.

d)

The roots population will go down, and the population of the bears will increase

32.

What is the nervous system?

a)

The system of the body that makes people nervous

b)

Another name for the endocrine system

c)

A communication system that controls the body, consisting of specialised cells called neurons

d)

A communication system that controls the body, consisting of specialised cells called eukaryotes

33.

What are the two main parts of the nervous system?

a)

Central Nervous System(CNS) and Peripheral Nervous System (PNS).

b)

Peripheral Nervous System(PNS) and Somatic Nervous system

c)

Central Nervous System(CNS) and Autonomic Nervous System

d)

Central Nervous System(CNS) and Somatic Nervous System

34.

What makes up the Central Nervous System?(Select all that apply)

a)

Brain

b)

Spinal cord

c)

Peripheries

d)

Sensory neurons

35.

What makes up the Peripheral Nervous System?

a)

Spinal Cord

b)

The neurons that transmit impulses between the medulla and the cerebellum

c)

The neurons that transmit impulses between the CNS and other parts of the body

d)

Brain

36.

What are the three parts of the brain?(Select all that apply)

a)

Cerebrum

b)

Cerebellum

c)

Medulla/Brain Stem

d)

Spinal Cord

37.

What does the cerebrum control?

a)

Involuntary functions of the body

b)

Conscious thought and intentional movement

c)

Coordination and balance

d)

The parasympathetic nervous system

38.

What does the cerebellum control?

a)

Coordination and balance

b)

Conscious thought and voluntary movement

c)

Involuntary functions of the body

d)

The sympathetic nervous system

39.

What does the medulla/brain stem control and influence?(Select all that apply)

a)

Involuntary functions of the body, such as breathing and digestion

b)

Coordination and balance

c)

Conscious thought and voluntary movement

d)

The autonomic nervous system

40.

What are sensory neurons?

a)

Neurons that send messages from the receptors to the CNS

b)

Neurons that send messages from the CNS to the receptors

c)

Neurons that send messages from the effectors to the CNS

d)

Neurons that send messages from the CNS to the effectors?

41.

What are the different types of receptors that detect stimuli(changes in the environment)?

a)

Thermoreceptors

b)

Chemoreceptors

c)

Mechanoreceptors

d)

Photoreceptors

42.

What do thermoreceptors detect?

a)

heat, all over the body

b)

chemicals, such as in the nose or mouth

c)

movement or touch, through the body or the ears

d)

light, through the eyes

43.

What do chemoreceptors detect?

a)

light, through the eyes

b)

movement or touch, through the body or the ears

c)

chemicals, such as in the nose or mouth

d)

heat, all throughout the body

44.

What do mechanoreceptors detect?

a)

Chemicals, through the nose or mouth

b)

Heat, all throughout the body

c)

Movement or touch, through the body and the ears

d)

Light, through the eyes

45.

What do photoreceptors detect?

a)

Heat, all throughout the body

b)

Light, through the eyes

c)

chemicals, through the tongue or nose

d)

movement or touch, through the body or ears

46.

What are motor(efferent) neurons?

a)

Neurons that send impulses from the CNS to the receptors

b)

Neurons that send impulses from the CNS to effectors

c)

Neurons that send impulses from the effectors to the CNS

d)

Neurons that send impulses from receptors to the CNS

47.

What makes up a motor neuron?

a)

Cell body and nucleus

b)

Dendrites and Axon terminals(Knobs)

c)

Axon and myelin sheath

d)

Receptors and and stimulus

48.

What is the role of the dendrites?

a)

Insulates the axon

b)

Passes messages to the next neuron

c)

Receives messages from other neurons

d)

Carry electrical impulses way from the cell body

49.

What is the role of the axon terminals?

a)

Carries the electrical impulse away from the cell body

b)

Receives messages from other neurons

c)

Acts as the control centre of the cell

d)

Passes messages to the next neuron

50.

What is the role of the cell body?

a)

Sends electrical impulse away from the cell body

b)

Acts as the control centre of the cell and holds the nucleus

c)

Passes message to the next neuron

d)

Receives messages from other neurons

51.

What is the role of the axon?

a)

Carries the electrical impulse away from the cell body

b)

Passes message to the next neuron

c)

Receives a message from other neurons

d)

Acts as the control centre of the cell

52.

What are the two parts of the motor(efferent) pathways?(Select the two that apply)

a)

Autonomic Nervous System

b)

Brain

c)

Somatic Nervous System

d)

Spinal Cord

53.

What is the autonomic nervous system responsible for?

a)

Intentional movement

b)

Voluntary functions of the body

c)

Involuntary functions of the body, such as breathing and heart rate

d)

Coordination and balance

54.

What is the somatic nervous system responsible for?

a)

Gaining information about our surroundings through receptors

b)

Slowing down the body

c)

Speeding up functions in the body

d)

Voluntary action and movements

55.

What are the two parts of the autonomic nervous system?

a)

Afferent pathways

b)

Sympathetic nervous system

c)

Parasympathetic nervous system

d)

Somatic nervous system

56.

What does the sympathetic nervous system do?

a)

Speeds functions up

b)

Initiates the 'flight, fight, or freeze' response

c)

Release the hormone adrenaline

d)

Slows functions down

57.

What is the parasympathetic nervous system responsible for?

a)

Releasing the hormone insulin

b)

Initiating the 'rest or digest' response

c)

slowing functions down

d)

bringing the body back to equilibrium

58.

What is a very quick response that is automatic and requires no thought called?

a)

Reflection

b)

Reflex arc/Reflex response

c)

Relieving pain

d)

Ready-to-act response

59.

What are the eight parts of the reflex response/arc in order?

a)

Stimulus,

Receptor,

Sensory Neuron, Connecter/Relay Neuron,

Spinal Cord,

Effector,

Motor Neuron,

Response

b)

Receptor,

Stimulus, Connector/Relay Neuron,

Spinal Cord,

Effector,

Response,

Motor Neuron,

Sensory Neuron

c)

Stimulus

Receptor

Sensory Neuron

Connector/Relay Neuron

Spinal Cord

Motor Neuron

Effector

Response

d)

Sensory Neuron

Stimulus

Receptor

Spinal Cord

Motor Neuron

Effector

Response

Connector/Relay Neuron

60.

Manuth and Mr Morkous are having a scientific debate(again). They arguing over the reason for why the nervous system is predominantly electrical impulses and not mainly chemical impulses. Manuth says because electricity is related to physics, and physics is the best science, that's why it's used instead of chemical impulses. Mr Morkous says it's because electrical responses travel much more quicker and allow an action to happen very quickly. Who has the correct reasoning?

a)

Manuth

b)

Mr Morkous

61.

Riley is in the kitchen, cooking some pasta. When he reaches for the pan, he accidentally touches the metal on the side, and his hand quickly jerks away, with a small burn on it now. He feels the pain after moving his hand away.

Is this an example of the reflex arc/response?

a)

Yes

b)

No

62.

Riley is in the kitchen, cooking some pasta. When he reaches for the pan, he accidentally touches the metal on the side, and his hand quickly jerks away, with a small burn on it now. He feels the pain after moving his hand away.

What is the receptor being used in this instance?

a)

Photoreceptor

b)

Thermoreceptor

c)

Chemoreceptor

d)

Mechanoreceptor

63.

Riley is in the kitchen, cooking some pasta. When he reaches for the pan, he accidentally touches the metal on the side, and his hand quickly jerks away, with a small burn on it now. He feels the pain after moving his hand away.

When he feels the pain, Riley starts to run around the kitchen and swear at the top of his lungs. Is this an example of the reflex arc/response? What receptor is causing this response?

a)

No, and mechanoreceptor

b)

Yes, and mechanoreceptor

c)

No, and thermoreceptor

d)

Yes, and thermoreceptor

64.

Manuth and Mr Morkous are having ANOTHER debate. Mr Morkous believes that your ears helps with balance but Manuth thinks it doesn't. Mr Morkous says there's fluid in the ear canals that slosh around when a person moves. This then triggers hair cells inside these cells which then give the brain information about the position of a person. Mr Morkous says this is why when you spin around, the fluid sloshes around a lot, which leads to you feeling dizzy. Is Mr Morkous correct or not?

a)

No

b)

Yes

65.

Ethan and Dominic are talking about electromagnets. In the middle of the conservation, Ethan states that he got some new headphones which claimed to have very strong electromagnets inside of them. Dom, having heard this, brings out of his pocket an electromagnet that he made when he was younger. It consists of a copper wire wrapped into one singular coil connected to a battery.

Ethan believes that because his headphone uses electromagnets, it is powered by alternating current. Dominic believes that headphones are powered by direct current no matter what. Who is right and why?

a)

Dominic is right because electromagnets can't change the direction of the magnetic field, so changing the current has no impact. The electromagnet is only there to make the headphones heavier

b)

Ethan is right because an alternating current causes the electromagnet to turn on and off its magnetic field, which interacts with a permanent magnet to create movement and sound

c)

Dominic is right because electromagnets can't change the direction of the magnetic field, so changing the current has no impact. The electromagnet is only there to supply the headphone with energy

d)

Ethan is right because an alternating current causes the electromagnet to change the direction of it's magnetic field, which interacts with a permanent magnet to create movement and sound

66.

Ethan and Dominic are talking about electromagnets. In the middle of the conservation, Ethan states that he got some new headphones which claimed to have very strong electromagnets inside of them. Dom, having heard this, brings out of his pocket an electromagnet that he made when he was younger. It consists of a copper wire wrapped into one singular coil connected to a battery.

Is Dom's electromagnet a solenoid? Explain why/why not.

a)

Yes because it's made up of copper

b)

No because it's made up of one coil, and a solenoid is made up of multiple coils

c)

Yes because it's made up of one coil

d)

No because it's been in his pocket for so long that the magnetic field has disspitated

67.

Ethan and Dominic are talking about electromagnets. In the middle of the conservation, Ethan states that he got some new headphones which claimed to have very strong electromagnets inside of them. Dom, having heard this, brings out of his pocket an electromagnet that he made when he was younger. It consists of a copper wire wrapped into one singular coil connected to a battery.

Dom asks Ethan how he can improve the strength of his electromagnet. Ethan is not too sure himself and researches it online. From the options below, select all the ways Dom can improve the strength of his electromagnet.

a)

Getting a battery with greater voltage

b)

Replacing the copper with an insulator, like plastic

c)

Turning the coil into a solenoid by adding multiple coils

d)

Placing an iron nail through the middle of it

68.

Ethan and Dominic are talking about electromagnets. In the middle of the conservation, Ethan states that he got some new headphones which claimed to have very strong electromagnets inside of them. Dom, having heard this, brings out of his pocket an electromagnet that he made when he was younger. It consists of a copper wire wrapped into one singular coil connected to a battery.

Is copper an insulator or a conductor. Explain what that means as well.

a)

Copper is an insulator, meaning it allows electrons to easily flow through it

b)

Copper is a conductor, meaning it doesn't allow electrons to easily travel through it.

c)

Copper is a conductor, meaning it allows electrons to easily travel through it

d)

Copper is an insulator, meaning it doesn't allow electrons to easily flow through it

69.

What law relates current, resistance, and voltage?

a)

Lenz's Law

b)

The law of conservation of mass

c)

Faraday's Law

d)

Ohm's law

70.

What types of forces does magnetism produce?

a)

Left and right forces

b)

Non-contact and contact forces

c)

Attraction and repulsion forces

d)

Inertia and momentum

71.

What is a magnetic field?

a)

A magnetic field is what surrounds any metal

b)

A field created due to the force of attraction between the north and south pole of a magnet

c)

A field created due to the repulsion between the north and south pole of a magnet

d)

The force that surrounds a magnet, or the region of influence in which a force will occurr

72.

Can a magnet have only one pole?(Have one north pole or have one south pole)

a)

No

b)

Yes

73.

In which direction does the magnetic field flow in?

a)

From the positively charged north pole to the negatively charged south pole

b)

From the negatively charged north pole to the positively charged south pole

c)

From the positively charged south pole to the negatively charged north pole

d)

From the negatively charged south pole to the positively charged north pole

74.

Is this drawing of the magnetic fields of a bar magnet correct?

a)

No, because the magnetic field lines should only be coming out of the poles of the magnet

b)

Yes, because the magnetic field lines don't need to come out of the poles of the magnet

75.

When you cut a bar magnet in half, what happens?

a)

It creates a north pole and a south pole

b)

It creates two magnets

c)

It creates two non-magnetic materials

d)

You can't cut a bar magnet in half

76.

What are domains in magnetism?

a)

Tiny sections of a magnet where current in induced

b)

Tiny sections of a material where the charges are flowing in the same direction or aren't flowing in the same direction

c)

The areas where a substance isn't magnetic

d)

Tiny sections of a material where the gluons are flowing in the same direction of aren't flowing in the same direction

77.

What materials are magnetic?(Select all that apply)

a)

Iron

b)

Nickel

c)

Cobalt

d)

Gold

78.

What is the name of a magnet that doesn't have a permanent magnetic field but can only have an induced one?

a)

Electromagnet

b)

Permanent magnetic

c)

Temporary magnet

d)

Electronmagnet

79.

What is a type of temporary magnet that is created due to an electric current?

a)

Electromagnet

b)

Induction magnet

c)

Permanent magnet

d)

Temporary magnet

80.

A wire that has been wrapped up into multiple coils is called a.....

a)

magnet

b)

insulator

c)

solenoid

d)

conductor

81.

The motor effect is......

a)

a force will be exerted on a wire due to the interaction between the resistance of the permanent magnet and the electromagnet

b)

a force will be exerted on a wire due to the interaction between the voltage of the permanent magnet and the electromagnet

c)

a force will be exerted on a wire due to the interaction between the fields of the permanent magnet and the electromagnet, causing movement

d)

a force will be exerted on a wire due to the interaction between the current of the permanent magnet and the electromagnet

82.

An alternator is a generator that creates_______ current and a dynamo is a generator that creates _______ current.

a)

Alternating, direct

b)

direct, alternating

c)

straight, bendy

d)

bendy, straight

83.

Electricity is created...

a)

from electrons orbiting the nucleus

b)

from free-moving electrons

c)

from electrical potential energy

d)

from a wire

84.

Static Electricity is....

a)

an imbalance of charge due to friction between two conductors

b)

charges flowing through a person, causing them to get shocked

c)

an imbalance of charge due to friction between two insulators

d)

charges flowing through the carpet, causing people to get shocked when they step on it

85.

Current Electricity...

a)

is the movement of electrons through a wire due to an energy source

b)

the rate of flow of electrons

c)

is the movement of protons through a wire due to an energy source

d)

the rate of flow of protons

86.

What is current?

a)

Electrons

b)

The flow of electrons

c)

The flow of protons

d)

The rate of flow of electrons

87.

What are the two types of current?

a)

Straight current and bendy current

b)

Water current and currant

c)

Alternating current and direct current

d)

Alternator current and dynamo current

88.

If there are more electrons moving or if the electrons are moving faster, the current will be...

a)

higher

b)

lower

89.

What is resistance?

a)

A measure of how difficult it is for electrons to travel through a component or material

b)

How fast electrons are able to move through a component

c)

A measure of how much energy is supplied to the electrons

d)

The rate of the flow of electrons

90.

What is the voltage?

a)

How difficult it is for electrons to flow through a given point

b)

The rate of the flow of electrons

c)

The amount of energy supplied to the charges/ the amount of push

d)

How big the electrons are

91.

What was the original ohm's law?

a)

V=IR

b)

I=V/R

c)

R=V/I

92.

What are the three things needed to make a circuit?

a)

An energy source, an energy user, and wires

b)

Voltage, current, and resistance

c)

A battery, a light globe, and wi-fi

d)

An energy source, an energy generator, and an energy consumer

Year 9 Science Exam

Total questions: 92

Worksheet time: 59mins

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