Ecosystems
Structure & Function
Energy
Forces, Motions, Structures
Matter & Materials
100
A biological community of interacting organisms and their physical environment is known as
a. habitat
b. ecosystem
c. food web
What is an ecosystem?
100
Blood vessels that bring blood to the heart are called:
a. arteries
b. veins
c. capillaries
What are veins?
100
A substance that will allow electricity to flow along it is
a. an insulator
b. reflector
c. conductor
What is a conductor?
100
Which of these show examples of forces?
a. pushes and pulls
b. electrical and solar
c. oil and gas
What are pushes and pulls?
100
A ray of light that is bounced from the surface of a material is said to have:
a. reflected
b. transmitted
c. absorbed
What is reflected?
200
Fins and gills are examples of
a. attractive features
b. behaviour modifications
c. adaptations
What are adaptations?
200
Which of the following statements is NOT a function of blood:
a. carries carbon dioxide and waste away from the body
b. carries oxygen and nutrients to the body
c. carries signals from the brain to the muscles
What is carries signals from the brain to the muscles?
200
Wind and hydropower are examples of
a. renewable energy sources
b. nonrenewable energy sources
c. fossil fuels
What are renewable energy sources?
200
The act of opening a drawer is an example of a
a. bending force
b. pull force
c. push force
What is a pull force?
200
The state of matter produced when a liquid evaporates is:
a. solid
b. liquid
c. gas
What is gas?
300
Which living thing in the food chain is a producer?
a. mouse
b. grasshopper
c. grass
What is grass?
300
The bones found in the arm are:
a. skull, spine, sternum
b. femur tibia, fibula
c. humerus, radius, ulna
What are humerus, radius, ulna?
300
Which statement best describes the energy transformations in a washing machine?
a. heat energy to light and movement
b. electrical energy to movement and heat
c. movement energy to heat and electrical
What is electrical energy to movement and heat?
300
Which letter on the diagram represents the fulcrum?
a. P
b. F
c. W
What is F?
300
Condensation is the process that
a. causes evaporation
b. changes a gas to a liquid
c. causes freezing
What is changes gas to a liquid?
400
A natural threat to ecosystems is
a. an earthquake
b. deforestation
c. quarrying
What is an earthquake?
400
Which of the following statements describes the function of the kidneys?
a. it filters the blood to remove poisons
b. it allows air to enter and leave the body
c. it pumps blood around the body
What is it filters the blood to remove poisons?
400
Which of the following is the best example of a natural light source?
a. battery powered torch
b. a volcano
c. a candle
What is a volcano?
400
A seesaw is an example of:
a. a wedge
b. an inclined plane
c. a lever
What is a lever?
400
Examples of physical properties of materials are:
a. reactivity and rate of burning
b. size
c. mass, texture, colour
What are mass, texture, and colour?
500
Which of the following is the best definition of a habitat?
a. all the living and non living things in an area.
b. the place an animal lays its eggs.
c. the natural home of a living thing
What is the natural home of a living thing?
500
Which of the following is a device that can be placed inside the human body to help with heart rate?
a. pacemaker
b. valve
c. transplanter
What is a pacemaker?
500
How is energy circulated around a food chain?
a. by flowing directly from the sun
b. by passing along different food chains
c. when living things move and heat up
What is by passing along different food chains?
500
The force that pulls objects to the centre of the Earth is:
a. electricity
b. gravity
c. magnetism
What is gravity?
500
Which of the following is a NON reversible change?
a. water freezing
b. paper burning
c. chocolate melting
What is paper burning?