Quiz about Third Periodical Test in Science 6

Question 1

Will it be easier for a person to push a table on a carpeted floor than on a tiled floor?

Accepted Answer

B. No, because the carpeted floor is rough, so friction is greater.

Answer

A. No, because the carpeted floor is rough, so friction is lesser.

Answer

C. Yes, because the carpeted floor is smooth, so friction is lesser.

Answer

D. Yes, because the carpeted floor is smooth, so friction is greater.

Question 2

When can we say that friction on a floor is greater?

Accepted Answer

C. If the floor is rough

Answer

A. If the floor is wet

Answer

B. If the floor is tiled

Answer

D. If the floor is smooth

Question 3

Which force causes a rolling ball to stop after a few seconds?

Accepted Answer

A. Friction

Answer

B. Gravity

Answer

C. magnetic

Answer

D. motion

Question 4

Why is it difficult to move heavy objects on a rough surface?

Accepted Answer

D. there is greater friction on a rough surface

Answer

A. rough surface is slippery

Answer

B. there is no friction on a rough surface

Answer

C. there is lesser friction on a rough surface

Question 5

When you are travelling along a road, how does the wet road affect friction?

Accepted Answer

B. It decreases friction.

Answer

A. It increases friction.

Answer

C. It maintains friction.

Answer

D. It increases and decreases friction.

Question 6

Which of the following forces cause objects to slow down and eventually stop?

Accepted Answer

B. friction

Answer

A. air resistance

Answer

C. gravity

Answer

D. magnetic

Question 7

Which activity below needs the least friction?

Accepted Answer

B. skating

Answer

A. grinding

Answer

C. climbing

Answer

D. writing

Question 8

Which activity is a way of reducing friction?

Accepted Answer

A. applying lubricant

Answer

B. using rubber shoes

Answer

C. putting spikes on tires

Answer

D. removing wheels on heavy cabinets

Question 9

Why do drivers drive their car slowly during rainy days?

Accepted Answer

C. Drivers drive slowly because the road is wet, so there is less friction.

Answer

A. Drivers drive slowly because the windshield is blurred.

Answer

B. Drivers drive slowly because they are afraid of the rain.

Answer

D. Drivers drive slowly because the road is wet, so there is more friction.

Question 10

Which is NOT a way of reducing friction?

Accepted Answer

B. putting spikes on tires

Answer

A. applying lubricant

Answer

C. making the floor smooth

Answer

D. putting grease on bicycle gears

Question 11

Why do you need to put rollers under the cabinets when you want to move them?

Accepted Answer

D. to minimize friction through the small surface of contact of the rollers.

Answer

A. to apply more force

Answer

B. to stop the movement of the cabinet

Answer

C. to slow down the movement of the cabinet

Question 12

Why do badminton players use rubber shoes while playing?

Accepted Answer

D. to have greater friction between their shoes and the floor.

Answer

A. to slide since the badminton court is slippery

Answer

B. to glide faster since the badminton court is slippery

Answer

C. to have lesser friction between their shoes and the floor.

Question 13

Which of the following situations shows that friction is increased?

Accepted Answer

A. Ana uses rubber shoes while jogging.

Answer

B. Ruben puts rollers on heavy cabinets.

Answer

C. Naldo puts grease on his bicycle gears.

Answer

D. Belle puts floor wax to make the floor smooth.

Question 14

In which of the following situations would friction most likely pose a problem?

Accepted Answer

C. walking on a slippery floor

Answer

A. holding a pen to write

Answer

B. striking a match to cook

Answer

D. rubbing your hands to warm them

Question 15

Which of the following shows that friction could be harmful?

Accepted Answer

C. tearing out of bicycle gears

Answer

A. writing on the board

Answer

B. holding a piece of paper

Answer

D. using breaks when stopping

Question 16

How do you describe the friction between a surface and an object with greater surface area?

Accepted Answer

A. greater

Answer

B. equal

Answer

C. smaller

Answer

D. the same

Question 17

If crumpled and uncrumpled paper were dropped at the same height and time, which paper would reach the ground first?

Accepted Answer

A. Crumpled paper because it has a smaller surface area.

Answer

B. The uncrumpled paper because it has a bigger surface area.

Answer

C. Crumpled paper because it is heavier compared to the uncrumpled paper.

Answer

D. None, because both the crumpled and uncrumpled paper have same masses.

Question 18

A boy is playing with a toy car. On which surface will it travel faster?

Accepted Answer

A. cemented floor

Answer

B. carpeted floor

Answer

C. grassy surface

Answer

D. polished floor

Question 19

Which of the following possesses mechanical energy?

Accepted Answer

B. a dancing girl

Answer

A. a flat iron

Answer

C. a glass of water

Answer

D. a lighted bulb

Question 20

Which forms of energy are/were produced by a candle?

I. Heat

II. Electrical

III. Light

IV. Sound

Accepted Answer

B. I and III

Answer

A. I and II

Answer

C. II and III

Answer

D. III and IV

Question 21

Which form of energy is present when the television is turned on?

Accepted Answer

D. all of the above

Answer

A. Light

Answer

B. electrical energy

Answer

C. sound energy

Question 22

Which form of energy is stored in medicines?

Accepted Answer

C. chemical energy

Answer

A. light

Answer

B. sound energy

Answer

D. electrical energy

Question 23

Which of the following are forms of energy?

I. Heat II. Light III. Shadow VI. Atom V. Electrical

Accepted Answer

B. I, II, and V

Answer

A. I and III

Answer

C. II, III, and IV

Answer

D. III, IV, and V

Question 24

A form of energy that moving bodies possess.

Accepted Answer

D. mechanical energy

Answer

A. Heat

Answer

B. sound energy

Answer

C. electrical energy

Question 25

Which form of energy is stored in a battery?

Accepted Answer

C. Chemical Energy

Answer

A. Light energy

Answer

B. Sound Energy

Answer

D. Mechanical Energy

Question 26

Which of the following does NOT possess mechanical energy?

Accepted Answer

D. a lighted bulb

Answer

A. pushing a cart

Answer

B. pedaling a bike

Answer

C. tapping the drums

Question 27

How is light energy different from sound energy?

Accepted Answer

B. Light helps you see, while sound lets you hear.

Answer

A. Light energy moves slower than sound.

Answer

C. Light energy uses vibrations while sound does not.

Answer

D. None of the above.

Question 28

30. All the following objects produce sound: Which one does not?

Accepted Answer

C. light bulb

Answer

A. Drum

Answer

B. Guitar

Answer

D. radio

Question 29

Which shows that chemical energy is changed into mechanical energy?

Accepted Answer

D. a horse running after eating grass

Answer

A. tapping the drum

Answer

B. plucking the guitar

Answer

C. switching on the light bulb

Question 30

Which energy transformation takes place when running?

Accepted Answer

D. chemical energy to mechanical energy

Answer

A. mechanical energy to light

Answer

B. mechanical energy to sound energy

Answer

C. chemical energy to electrical energy

Question 31

How does energy transform when tapping a drum?

Accepted Answer

D. mechanical energy to sound energy

Answer

A. electrical energy to light energy

Answer

B. chemical energy to heat energy

Answer

C. chemical energy to sound energy

Question 32

Which is always produced when there is energy transformation?

Accepted Answer

A. heat

Answer

B. light energy

Answer

C. chemical energy

Answer

D. electrical energy

Question 33

What form of energy is transformed into electrical energy if the power plant uses wind as its resource?

Accepted Answer

D. mechanical energy

Answer

A. light energy

Answer

B. sound energy

Answer

C. chemical energy

Question 34

Maria used her cell phone to call her mother. After a few minutes, she felt the phone getting warm. Which diagram correctly shows the energy transformation that took place?

Accepted Answer

D. chemical to electrical to sound and heat

Answer

A. chemical to light and sound

Answer

B. chemical to electrical and heat

Answer

C. chemical to light to sound

Question 35

Which of the following energy conversions occurs in a solar-powered light?

Accepted Answer

C. light energy to electrical energy

Answer

A. heat to chemical energy

Answer

B. heat to electrical energy

Answer

D. light energy to chemical energy

Question 36

It is the conversion of energy from one form to another.

Accepted Answer

D. Energy Transformation

Answer

A. Energy Saving

Answer

B. Energy Formation

Answer

C. Energy Conservation

Question 37

Which simple machine should you use to slice the cake?

Accepted Answer

C. Knife

Answer

A. Axe

Answer

B. Blade

Answer

D. scissors

Question 38

The carpenter will put the hinges of the door. Which type of simple machine will be the carpenter use?

Accepted Answer

D. screw

Answer

A. Lever

Answer

B. Pulley

Answer

C. inclined plane

Question 39

Jamie uses a wheelbarrow to move the pile of garbage. Which type of simple machine is a wheelbarrow?

Accepted Answer

B. lever

Answer

A. inclined plane

Answer

C. Pulley

Answer

D. wheel and axle

Question 40

Which type of simple machine is an inclined plane with a spiral ridge?

Accepted Answer

C. screw

Answer

A. Lever

Answer

B. Pulley

Answer

D. wheel and axle

Question 41

Mark wanted to go sailing. Which of the following simple machines will be used in raising a sail of a boat?

Accepted Answer

B. Pulley

Answer

A. Lever

Answer

C. wedge

Answer

D. wheel and axle

Question 42

The bottom part of a bulb is a spiral. Which type of simple machine is it?

Accepted Answer

B. screw

Answer

A. inclined plane

Answer

C. wedge

Answer

D. wheel and axle

Question 43

To control a car, one should use a wheel and axle. Which of the following is the right tool to use?

Accepted Answer

C. steering wheel

Answer

A. Breaks

Answer

B. rolling pin

Answer

D. shift gear

Question 44

Virgel wanted to load heavy boxes at the back of his truck. Which simple machine should Virgel use?

Accepted Answer

B. inclined plane

Answer

A. Pulley

Answer

C. stairs

Answer

D. wheelbarrow

Question 45

Which simple machine is a double-inclined plane and has a sharp edge?

Accepted Answer

D. wedge

Answer

A. Pulley

Answer

B. Lever

Answer

C. screw

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