Rangkuman Latihan Soal Science

Look at the symbol of this electrical component.

The symbol beside means ….

• Motor

• Bulb

• Battery

Look at the picture!

The function of this electrical component is ...

• to produce sound

• the source of light

• the source of electrical energy

Based on the picture, we should not plug too many electrical devices into the electrical socket, because ....

• It makes for better electrical components

• It will make it very hot and cause a fire

• It makes the electricity more efficient

Rayhan makes a bell using a pot and a mallet.

He hits the pot with the mallet. The bell makes a quiet sound. To make the volume of sound become softer he must ….

• use a smaller pot

• use smaller mallet

• hit the pot gently

The correct activity to complete this table is...

• People talking

• Rocket taking off

• Whisper

Which of these drums will produce the highest pitch?

• P

• Q

• R

What can we do to make the lamp glow brighter?

• Make the wire become shorter

• Add more bulbs to the circuit

• Remove one battery from the circuit

  
  

The loud sounds from an aeroplane engine are unwanted. Unwanted sounds are called noise. Which tools can we use to protect our ears from noise?

• ear defenders

• microphone

• loudspeaker

A boy is listening to his parents’ conversation from another room.

How can he hear his parents’ sound?

• His parents’ sound travels through air then reaches the boy’s ears

• His parents’ sound travels through air and then through door then reaches the boy’s ears

• His parents’ sound travel through the door then reaches the boy’s ears

If we want to produce lower pitch in guitar, we must pluck ….

• the thicker string

• the string harder

• the shorter string