BASIC SCIENCE YEAR 3

Which of these is NOT a luminous object?

• 
• 
• 

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NGSS.5-PS1-3

What is the work done when a force of 7 Newtons moved an object through a distance of 7 metres?

• 30 joules.

• 49 joules.

• 15 joules.

Mechanical energy is divided into _________ and _______.

• Kinetic and wind.

• Potential and kinetic.

• Potential and solar.

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What is an under developed technology?

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When a force moves an object backward, it is called a_______.

• Energy.

• Pull.

• Push.

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NGSS.3-PS2-1

Work is the change in position of an object because of the force that is applied. Is work done in the image below?

• No.

• May be.

• Yes.

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NGSS.MS-PS2-2

The object which produces light is called _______.

Draw the modern technology that makes voice loud when we speak?

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Plants prepare their food using _______ energy.

• Solar.

• Wind.

• Water.

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NGSS.MS-LS1-6

Which of these is an under developed technology?

• Grinding with machine.

• Writing with pen.

• Use of camel for transportation.