WorksheetsScience Teacher Test
Total questions: 20
Worksheet time: 11mins
Which simple machine is this?
Pulley
Wheel-and-axle
Inclined Plane
Where might a screw be used?
A bottle cap
A Lightbulb
All of the above
Which simple machines are present?
Wedge and Lever
Wheel-and-axle and Iever
Inclined Plane and Pulley
The fixed point around which a lever rotates is know as the
wheel.
fulcrum.
input force.
Which part is the 'load'?
Arrow
Yellow box
Blue triangle
To measure wind direction, what weather instrument do I need to use?
Anemometer
Wind
Speedometer
Wind Vane
Air pollution is caused by
Fires
Fumes from cars, trains and buses
All of the above
What kind of pollution contaminates the land and soil?
Air pollution
Land pollution
All of the above
I can cut down pollution by
Walking to the shops
Driving to the shops
Throwing my papers on the floor
fossil fuels
geothermal
hydroelectric
biofuels
hydroelectric energy
geothermal energy
How can we help save water?
closing the water taps when we do not use it.
wasting water
Wash a car with the hose.
What advice helps us save electrical energy?
Use energy-saving bulbs.
Leave the appliances plugged in at night.
Leave the TV on.
Which of these tips does not help us save electric energy?
Open and close the refrigerator frequently.
Use a solar panel.
Unplug the charger when it is not in use.
Solar panels convert the heat from the sun into what?
heat
water
energy
_________ is the energy produced by flowing water.
solar
geothermal
hydroelectric
Air pollution, Climate change, oil spills, acid rain
Air pollution only
Oil spills only
Petroleum
Biomass
Coal
What are the 3 main fossil fuels?
Coal, Oil, and nuclear fuel
Coal, Oil, and Natural Gas
Electricity, Gas, Petroleum
Coal, Oil, Non-renewable Resources
