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Total questions: 20
Worksheet time: 10mins
Light helps us to ….
see
hear
feel
touch
Which of these is a source of light?
Which one of these is the most important source of light on earth?
Some of these items do not produce light
Light source that is made by humans is called … source of light.
man made
natural
chemical
plastic
The ____ reflects light from the sun
Moon
Sun
Candle
Bulb
____ happen when an object blocks light.
Dark
Light
Shadows
Black
Shadows are White
False
True
Sometimes
at night
Shadows can be ________ shapes
Same
Different
Small
Jagged
Electricity is a form of energy that can be changed into other forms of output, including __________, __________, __________, __________
light, heat, sound, motion
cooling, running, freezing, motion
heat, air, tires, fans
skipping, shouting, skating, swimming
What can we do to use electricity safely?
Do not put our finger or anything other than a plug into a socket
Touch a switch with wet hands
Use things with damaged wires
Put lots of plugs into the same socket
The ... uses electricity to keep food cold.
Oven
Kettle
Refrigerator
Television
Which of these tools doesn't use electricity?
Electricity is used in the vacuum cleaner to remove ...
cloth
heat
dust and dirt
pictures
True or False -- All the objects we use every day need electricity to work.
True
False
Which of these is the best example of electrical energy being transformed into heat output?
lamp
fan
telephone
toaster
Which is the best example of electric energy being transformed into sound output?
toaster
electric blanket
television
lamp
What's the name of this part!
Bulb
Battery holder
Wires
Buzzer
