Science

DAATI’S PRIDE SCHOOL YEAR 4 2019/2020 SESSION
3RD TERM ASSESSMENT
Section A: Instruction: Answer all questions

1

A class prepared an electrical circuit using, a battery, connecting wires , a switch board and bulb. How can they make the bulb brighter?

1

An electrician will need to wear a rubber gloves to work on an electric connection, this will protect him from …

1

Which of this materials will allow sound to travel through it the most?

1

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

1

What is Pitch?

1

Vibrations go through your ear to your ear drum and cause your eardrum to ____________

1

If we remove the air in a room, there is no material to _ so there will be no ___ to hear.

Pair the bones of the skeleton below with their appropriate functions included in this box. 
Movement,Support,Protection
Remember, two bones may have the same function.

1

Skull

1

Rib

1

Ball and Socket

1

Spine

Type what the items  in the questions below does in a circuit. 

1

Cell

1

Wires

1

Light bulb

1

Switch board

1

Crocodile switch

1

Explain in your own term what a circuit is.

Build the following circuits.
Draw your circuits in the spaces provided below.

1

Circuit 1 - A bulb, battery and an open switch

1

Circuit 2 - Two batteries, one bulb and a closed switch

1

Circuit 3 - Two bulbs, one battery and an open switch

1

What can be the long-time effect of loud sounds on the human ear?

1

What is the sound limit for a human ear?

1

Does hearing improve as you grow older, because you have had more practice at listening?

1

What do you need to do to keep the high sound level in your room from disturbing your neighbours?

1

Why will a dog pass a hearing test better than humans?

1

Due to the pitch of a sound,a noise is ---------- sound ,While, a tune from a piano is ----------- sound.

1

Science

A class prepared an electrical circuit using, a battery, connecting wires , a switch board and bulb. How can they make the bulb brighter?

An electrician will need to wear a rubber gloves to work on an electric connection, this will protect him from …

Which of this materials will allow sound to travel through it the most?

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

What is Pitch?

Vibrations go through your ear to your ear drum and cause your eardrum to ____________

If we remove the air in a room, there is no material to _________ so there will be no ___________ to hear.

Skull

Rib

Ball and Socket

Spine

Cell

Wires

Light bulb

Switch board

Crocodile switch

Explain in your own term what a circuit is.

Circuit 1 - A bulb, battery and an open switch

Circuit 2 - Two batteries, one bulb and a closed switch

Circuit 3 - Two bulbs, one battery and an open switch

What can be the long-time effect of loud sounds on the human ear?

What is the sound limit for a human ear?

Does hearing improve as you grow older, because you have had more practice at listening?

What do you need to do to keep the high sound level in your room from disturbing your neighbours?

Why will a dog pass a hearing test better than humans?

Due to the pitch of a sound,a noise is ---------- sound ,While, a tune from a piano is ----------- sound.

Pitch is not the same as volume, Why?

A class prepared an electrical circuit using, a battery, connecting wires , a switch board and bulb. How can they make the bulb brighter?

An electrician will need to wear a rubber gloves to work on an electric connection, this will protect him from …

Which of this materials will allow sound to travel through it the most?

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

What is Pitch?

Vibrations go through your ear to your ear drum and cause your eardrum to ____________

If we remove the air in a room, there is no material to _________ so there will be no ___________ to hear.

Skull

Rib

Ball and Socket

Spine

Cell

Wires

Light bulb

Switch board

Crocodile switch

Explain in your own term what a circuit is.

Circuit 1 - A bulb, battery and an open switch

Circuit 2 - Two batteries, one bulb and a closed switch

Circuit 3 - Two bulbs, one battery and an open switch

What can be the long-time effect of loud sounds on the human ear?

What is the sound limit for a human ear?

Does hearing improve as you grow older, because you have had more practice at listening?

What do you need to do to keep the high sound level in your room from disturbing your neighbours?

Why will a dog pass a hearing test better than humans?

Due to the pitch of a sound,a noise is ---------- sound ,While, a tune from a piano is ----------- sound.

Pitch is not the same as volume, Why?

If we remove the air in a room, there is no material to _ so there will be no ___ to hear.

If we remove the air in a room, there is no material to _ so there will be no ___ to hear.