Question 1

Which of these explains the cooling of a room using an air conditioner?

Accepted Answer

Convection

Answer

Radiation

Answer

Conduction

Answer

Vibration

Question 2

The following illustrate refraction of light except one.

Accepted Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/44db20312d57f68b31bbe652763a167c088a75fc.png

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/ee62e4846d120eb8b3ec64ce0cfae4c6bb7c56af.png

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/e8ffe613547590225342bac254ba0b8b5fcc7f87.png

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/eab2a1102e15d518c29524778fc1500de37388eb.png

Question 3

In which situation will sound travel faster?

Accepted Answer

When someone knocks on a wall and your ear is on the other side of it

Answer

When someone is simply talking to you from a distance

Answer

When the sound produced is very loud

Answer

When someone strikes two big stones while you are under a pool

Question 4

What would you do to see someone behind you without having to turn
your back?

Accepted Answer

Use a mirror

Answer

Use a barometer

Answer

Use a telescope

Answer

Use a projector

Question 5

Which of these practices CANNOT help in keeping your eyes or ears away
from being damaged?

Accepted Answer

Pressing of ears against the door to hear someone from the other side

Answer

Wearing ear protectors like earmuffs whenever exposed to loud sound

Answer

Using umbrella, sunglasses, and cap on a hot day

Answer

Wearing sunglasses when going to the beach

Question 6

How do people survive in an extremely low temperature?

Accepted Answer

They wear warm, thick, garments.

Answer

They live long enough in a low temperature, so their bodies are
adapted to an extremely low temperature.

Answer

They take a lot of energy food.

Answer

They stay inside the house most of the time.

Question 7

Why are most of the leaves appear green in color?

Accepted Answer

It absorbs all other colors except green.

Answer

Presence of all colors except blue and orange.

Answer

All colors are absorbed and bounces back except orange.

Answer

It absorbs all other colors except red.

Question 8

Which among the following statements about sound is correct?

Accepted Answer

Sound travels faster in solid than in air.

Answer

Sound travels faster in liquid than in solid.

Answer

Sound travels faster in liquid than in solid.

Answer

The travel of sound is not affected by the medium through which it
travels.

Question 9

What do you call an object that allows some light to pass through them?

Accepted Answer

Transparent

Answer

Transmission

Answer

Opaque

Answer

Translucent

Question 10

Which of the following materials can be used to protect ourselves from
excessive heat and light?

Accepted Answer

hat

Answer

shoes

Answer

headband

Answer

lotion

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