Review PAT SIE Grade 4

Magnet

Electricity

Sound

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Review PAT Grade 4

Multiple Select

The objects that can be attracted by magnets are....

Multiple Select

The magnets that will attract each other are....

• 1

• 2

• 3

• 4

Multiple Choice

Which of these things are non-magnetic materials?

• cotton towel, copper wire, steel bolts.

• rubber band, wooden ruler, cotton towel

• copper wire, iron thumbtack, steel pins

• aluminium can, iron thumbtack, steel bolts

Multiple Choice

What happens when we place these two magnet near each other?

• they repel each other

• they attract each other

• they damage each other

• they produce sparks

Multiple Choice

Which of these things are magnetic materials?

• cotton towel, copper wire, steel bolts.

• rubber band, wooden ruler, cotton towel

• nickel coin, iron thumbtack, steel pins

• aluminium can, iron thumbtack, steel bolts

Multiple Choice

What is the name of magnet A?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

Multiple Choice

What is the name of magnet D?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

Multiple Choice

Cars can be recycled in scrap yards. They are moved using a very strong magnet.

Which metal must the car contain to be attracted to the magnet?

• iron

• gold

• alumuminium

• silikon

Multiple Select

The correct statement about circuit A are....

• It is an open circuit

• It is a close circuit

• the bulbs will not light up

• the bulbs will light up

Multiple Select

Which of the following circuits have the “break” in the circuit?

Multiple Choice

What material would be safest to use as an insulator to cover electrical wires?

• Plastic

• Silver

• Gold

• Aluminium

Multiple Choice

This is the symbol for a _____?

• switch

• light 

• battery

• wires

Multiple Choice

This is the symbol for a _____?

• Lamp

• Water wheel

• Loudspeaker

• Motor

Multiple Choice

What needs to be done to this circuit so that the lamp lights up?

• Close the switch

• Add a source and close the switch

• Add another lamp

• Add another lamp and a switch

Multiple Choice

we blow this pan flute to produce sounds. the shortest pipe produce _______

• low pitch

• high pitch

• high volume

• low volume

Multiple Choice

Very loud sound (above 85 dB) can damage our hearing Which of the following sound might danger for human hearing?

• Conversation (60 dB)

• A rock concert (120 dB)

• Canteen during recess (70 dB)

• Vacuum cleaner (80 dB)

Multiple Choice

Sarah and Maria made a telephone using two cans and a string. It was a very long string. Maria went upstairs in her house and Sarah stayed downstairs. Maria spoke softly into the can. "I can hear you!' Sarah said back. How can this happen?

• Sound waves travel through a vacuum.

• Sound waves travel from high to low.

• Sound waves travel through solids like the string.

• Maria talked so loudly that Sarah could hear her without the phone.

Multiple Choice

Sound travels fastest in...

• solids

• liquids

• gases

• air

Multiple Choice

Will a homemade telephone made of two cans and a string work better with a tightly-woven string or a loosely-woven string?

• a tightly woven string because it will not come apart as easily

• a loosely woven string because the sound waves have more room to move

• a tightly woven string because sound waves travel best through dense materials

• a loosely woven string because sound waves travel best through less dense materials

Multiple Choice

Yuri hits the tuning fork to make a sound.

He puts the tuning fork on water.

Why there is a pattern on the water?

• tuning fork vibrates and make water vibrates

• tuning fork make musical instrument

• tuning fork doesn’t move

• pattern formed cause by the properties of liquid

Multiple Choice

The drum produces highest pitch.

• Hit the smallest size

• Hit the biggest size

Multiple Choice

The guitar produces lowest pitch.

• Pluck the thickest string

• Pluck the thinnest string

Multiple Choice

Cow mooing

Choose the right statements.

• A low-pitched sound

• A high-pitched sound

Multiple Choice

Bird Chirping

Choose the right statements.

• A low-pitched sound

• A high-pitched sound

Multiple Choice

Illustration below shows we cannot hear the sound in ...

• solid

• liquid

• air

• vacuum