Question 1

When is an object considered to be in motion?

I. When its position changes with respect to a point of reference.

II. When its distance changes with respect to a point of reference.

III. When its direction changes with respect to a point of reference.

Accepted Answer

I, II and III

Answer

I and III only

Answer

I and II only

Answer

II and III only

Question 2

The Philippine Eagle accelerates from 26 m/s to 47 m/s in 7 seconds. What is the eagle’s average acceleration?

Accepted Answer

It is moving backward.

Answer

It moves with decreasing acceleration

Question 3

A car is moving with an acceleration of -25 m/s2. How do you describe the motion of the car?

Accepted Answer

It moves with decreasing acceleration

Answer

It is moving forward

Answer

It is moving backward.

Answer

It moves with increasing acceleration.

Question 4

If a bus travels at a distance of 700m in 20s, what is the speed of the car?

Accepted Answer

35 m/s

Answer

14000 m/s

Answer

720 m/s

Answer

350 m/s

Question 5

You walked from your house to the main gate 3 m/s North. Which of the following quantities is used to describe your motion?

Accepted Answer

speed

Answer

velocity

Answer

displacement

Answer

acceleration

Question 6

Which of the following DOES NOT describe an accelerating object?

Accepted Answer

The speed and direction are constant.

Answer

The speed is constant with changing direction

Answer

There is a change in speed of an object.

Answer

There is a change in direction of an object.

Question 7

Mang Victor is driving his car and would like to cross the road when a cat suddenly jumps on the road 5 meters before him. Describe the motion of Mang Victor’s car.

Accepted Answer

It is decelerating.

Answer

It is accelerating.

Answer

Its direction remains the same.

Answer

Its speed is still constant.

Question 8

The object is in motion when there is a change in position over time with respect to a reference point. Which of the following objects is in motion?

Accepted Answer

Rolling ball

Answer

Glass of water on the table

Answer

Parked car

Answer

A picture frame on the wall

Question 9

If the speed of an object is 20m/s for 4 minutes, what can be inferred about the motion of the object?

Accepted Answer

Constant motion

Answer

Insufficient Data

Answer

Decelerating

Answer

Accelerating

Question 10

How can you describe the movement of the vibrations of a transverse wave?

Accepted Answer

At right angles to the direction of wave travel

Answer

In the same direction as the wave travels.

Answer

Opposite to the direction of wave travel.

Answer

Above and below the moving wave.

Question 11

Which of the following waves is characterized by compressions and rarefactions?

Accepted Answer

longitudinal waves

Answer

transverse waves

Answer

electromagnetic waves

Answer

Light waves

Question 12

Which of the following is considered as the highest point of a wave?

Accepted Answer

crest

Answer

amplitude

Answer

trough

Answer

frequency

Question 13

The frequency of a wave is 2 beats per second. What is the velocity of a wave if its wavelength is 4m?

Accepted Answer

8m/s

Answer

3m/s

Answer

4m/s

Answer

10m/s

Question 14

Which of the following is the region in the sound waves where molecules are bunched closer together?

Accepted Answer

Rarefaction

Answer

Interference

Answer

Compression

Answer

Polarization

Question 15

Which of the following explain that a soundwave is a longitudinal wave?

Accepted Answer

The disturbance moves in the same direction as the wave

Answer

The wave has a very low frequency.

Answer

The period of the wave is very long.

Answer

The disturbance moves perpendicular to the wave.

Question 16

Which of the following is the source of a sound wave?

Accepted Answer

vibrations

Answer

light waves

Answer

electricity

Answer

conduction

Question 17

Because sound waves must travel through a medium, it is called a/an ____wave.

Accepted Answer

electromagnetic

Answer

electrical

Answer

mechanical

Answer

light

Question 18

The speed of sound varies in different media. In which medium will sound travel the fastest?

Accepted Answer

steel

Answer

air

Answer

water

Answer

sound travels the same speed in all mediums

Question 19

Which statement is NOT true about light?

Accepted Answer

It has mechanical and longitudinal waves.

Answer

It has mechanical and transverse waves

Answer

It has electromagnetic and transverse waves.

Answer

It is a particle and a wave.

Question 20

Which of these materials allow light to be transmitted through them easily?

Accepted Answer

Transparent

Answer

Opaque

Answer

Refraction

Answer

Translucent

Question 21

What is the color of visible light with the highest frequency?

Accepted Answer

Violet

Answer

Yellow

Answer

Blue

Answer

Red

Question 22

If an object absorbs all the light that hits it, which of the following would be its color?

Accepted Answer

black

Answer

blue

Answer

green

Answer

white

Question 23

Which of the following statements about heat is CORRECT?

Accepted Answer

It is the transfer of thermal energy from a hot object to a cold object.

Answer

It is the transfer of thermal energy from a hot object to a cold object.

Answer

It is possessed by an object with a high temperature.

Answer

It is the transfer of thermal energy from a cold object to a hot object.

Question 24

The temperature of object A is 900 C and object B is 300 C. What will be the direction of the flow of heat between these two objects if they are in direct contact?

Accepted Answer

The heat will flow from object A to object B.

Answer

Heat transfer will not occur between these two objects.

Answer

The heat will flow from object B to object A.

Answer

The heat will flow either from object A or object B.

Question 25

Why are the handles of cooking pans and kettles covered with wood or rubber?

Accepted Answer

Wood and rubber are good insulators of heat.

Answer

Wood and rubber can facilitate the cooking process.

Answer

Wood and rubber can prevent convection.

Question 26

How does the heat of the sun reach the earth?

Accepted Answer

through radiation

Answer

through convection

Answer

through conduction

Answer

through conduction and convection

Question 27

If an atom has 5 electrons and 3 protons, what is the charge of the object?

Accepted Answer

negative charge

Answer

neutral

Answer

positive charge

Question 28

How is charging by induction different from charging by conduction?

Accepted Answer

The charging by conduction requires direct contact to object while charging by induction does not.

Answer

The charging by induction requires direct contact to object while charging by conduction does not.

Answer

The charging by conduction can transfer electron from a charged to a neutral object.

Answer

The charging by induction distributes the electron from one object to another.

Question 29

.Which statement explains why a glass becomes positively charged when it is rubbed by a wool cloth?

Accepted Answer

The glass loses electrons during the charging process.

Answer

The glass acquires extra electrons from the wool.

Answer

The glass acquires extra protons during the charging process

Answer

Protons are gained during the charging process.

Question 30

Which of the following statements about the charges of an atom is CORRECT?

Accepted Answer

Electrons can be found on the orbital and have a negative charge.

Answer

Proton has a negative charge located inside the nucleus.

Answer

Electrons can be found inside the nucleus and have a negative charge.

Answer

Protons have positive charge while neutrons have negative charge.

Related quizzes

Related quizzes