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Q 1/10
Score 0
LED bulbs use less energy consumption compared to ordinary electric bulbs. Which
transformation of energy happens in LED bulbs?
120
light to sound energy
electrical to sound energy
sound to light energy
electrical to light energy
Q 2/10
Score 0
Which situation shows electrical to light energy transformation?
120
Switching on an aircon
Lighting a matchstick.
Turning on a lamp.
Reheating food using a gas stove.
10 questions
Q.
LED bulbs use less energy consumption compared to ordinary electric bulbs. Which
transformation of energy happens in LED bulbs?
1
120 sec
Q.
Which situation shows electrical to light energy transformation?
2
120 sec
Q.
Which of the following appliances show the transformation of heat energy to light
energy?
3
120 sec
Q.
Which best describes the energy transformation in a light bulb?
4
300 sec
Q.
A student is using a cellphone to communicate with her friend. Which of the following
energy transformations happen during their conversation?
5
120 sec
Q.
Electrical energy is transformed into other forms when appliances are used which
could result to high electric bill. As a grade 6 pupil, how can you help conserve
electrical energy?
6
120 sec
Q.
We use an electric kettle in boiling water. Which energy transformation takes place
when you use an electric kettle?
7
120 sec
Q.
Which appliance below can transform electrical to light energy?
8
120 sec
Q.
Hans and his parents went out for dinner. Their house was dark and when they came
home, his father switched on the light in their living room. What could Hans conclude
about energy?
9
120 sec
Q.
Which of the following objects show the electrical to sound energy transformation?
