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KS3 BCP2 SYI

Total questions: 61

Worksheet time: 41mins

Name
Class
Date
1.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
2.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
3.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
4.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
5.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
6.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
7.
Which of the following best describes the deer's role in the ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
8.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
9.

Plants convert the sun's energy into food through

a)

photosynthesis

b)

transpiration

c)

respiration

d)

precipitation

10.

If a species all die, their predators will increase/decrease in number?

(a)  

11.
Which model correctly shows energy flow in a food chain?
a)
plants → insects → salmon → bears 
b)
insects → plants → bears → salmon
c)
bears → salmon → insects → plants
d)
salmon → bears → plants → insects
12.

How is eagles beak adapted

a)

Streamlined to fly fast

b)

Hooked to catch prey

c)

Shaped to scoop up fish

d)

Able to get to insects behind bark

13.

What is an adaption of a rabbit

a)

Good hearing to avoid prey

b)

Teeth to rip meat

c)

Good hearing to avoid predators

d)

Teeth to grind meat

14.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
15.

What is the ultimate source of energy for most organisms?

a)

The Sun

b)

The Earth

c)

Plants

d)

Producers

16.

Which animal is the top predator?

a)

hawk

b)

lizard

c)

snake

d)

grass

17.
Which of the following organisms is a herbivore.
a)
butterfly
b)
snake
c)
fox
d)
ladybird
18.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
19.

A polar bear is white like the snow surrounding it in its habitat. Describe this adaptation.

a)

Regeneration

b)

Mimicry

c)

Camouflage

d)

Hibernation

20.
Which feature of a rose helps it grow without being eaten by large animals?
a)
flowers with bright colors
b)
sharp thorns
c)
small seeds
d)
deep roots
21.

Energy is measured in what units?

a)

Hertz

b)

Watts

c)

Joules

d)

Newtons

22.

What is power measured in?

a)

Joules

b)

Hertz

c)

Watts

d)

Newtons

23.

How many watts in a kilowatt?

a)

10

b)

100

c)

1000

d)

10000

24.

Which of these are fossil fuels?

a)

Coal

b)

Oil

c)

Gas

d)

All of the above

25.

What is the law that states "energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another"?

a)

Consumption of energy

b)

Conservation of energy

c)

Conversion of energy

d)

Conversation of energy

26.

Which of these is not a store of energy?

a)

chemical energy store

b)

thermal energy store

c)

kinetic energy store

d)

electrical energy store

27.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
28.
When an object is moved to a higher position, what name is given to the energy it then stores?
a)
Gravitational Potential
b)
Elastic
c)
Height
d)
Kinetic
29.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
30.
What type of energy is stored in food and fuel?
a)
Chemical
b)
Thermal
c)
Potential
d)
Calories
31.
Where is the potential energy the greatest?
a)
A
b)
B
c)
C
d)
D
32.

_____________________ energy comes from underground pockets of hot water.

a)

hydroelectric

b)

nuclear

c)

solar

d)

geothermal

33.

_________________________ is created when the kinetic energy from falling water is converted into electricity.

a)

geothermal energy

b)

biomass energy

c)

wind energy

d)

hydroelectricity

34.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

35.

What type of energy is in this picture?

a)

Kinetic

b)

Elastic Potential Energy

c)

Chemical

d)

Sound

36.

Carbon Dioxide, CO2, comes from

a)

Burning fossil fuels

b)

Cold water

c)

Animal manure

d)

Plastic

37.

What is Global Warming?

a)

Increasing temperature in Earth's atmosphere

b)

Decreasing temperature in a city

c)

Increasing rain rates in Earth

d)

Decreasing temperature rates

38.

Which diagrams A, B, C or D represent elements?

a)

A

b)

B

c)

C

d)

D

39.

Which diagram A, B, C or D represents a compound?

a)

A

b)

B

c)

C

d)

D

40.

Which of the options below is the correct definition of an compound?

a)

One type of atom on its own

b)

Atoms that have bonded between them

c)

Two or more types of atom chemically bonded

d)

Two or more types of atom not chemically bonded

41.

Which diagram A, B, C or D represents a mixture?

a)

A

b)

B

c)

C

d)

D

42.

The diagram shows an element because...

(a)  

43.

What method can we use to separate non dissolved solids and liquids

a)

Evaporation

b)

Filtration

c)

Distillation

d)

Chromatography

44.

What method can we use to separate dissolved solids and liquids

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

45.

What method can we use to separate dissolved solids and liquids if we want to keep the solid and the liquid?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

46.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
47.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of two elements
48.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

49.

What is A?

a)

solute

b)

solvent

c)

solution

d)

solid

50.

What is C?

a)

solute

b)

solvent

c)

solution

d)

solid

51.

Put the two processes used in fractional distillation in the correct order.

a)

Evaporating and then melting

b)

Evaporating and then condensing

c)

Condensing and then evaporating

d)

Melting and then condensing

52.

What is 5?

a)

cooling tube

b)

condenser

c)

distillate

d)

water pump

53.

Distillation is made up of ___.

a)

evaporation, then condensation

b)

condensation, then evaporation

c)

boiling, then condensation

d)

condensation, then boiling

54.

Distillation is used to separate ______.

a)

a liquid from its solution.

b)

an insoluble solid from its solution.

c)

a soluble solid from its solution.

55.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

56.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
57.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
58.
The diagram shows the chromatogram for three colouring dyes and that for a brown marker. What dye(s) are contained in the marker's ink?
a)
purple and green
b)
purple and yellow
c)
purple only
d)
green and yellow
59.

The change of a substance from liquid to gas is called...

a)

Melting

b)

Freezing

c)

Evaporating

d)

Condensing

60.

What type of consumer is the ladybird?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

61.

What type of consumer is the dragonfly?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

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