THIRD SUMMATIVE TEST IN SCIENCE 7

Quiz by Jenny Dela Vega

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### Measures 6 skills fromGrade 7SciencePhilippines Curriculum: Grades K-10 (MELC)

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- Q1
What happens to the acceleration when an object is moving with uniform velocity?

uniform

zero

uncertain

negative

30sS7FE-IIIa-1 - Q2
How is the speed related to the distance travelled when a vehicle travels at constant time?

The speed of travel does not affect the distance covered.

The shorter the distance travelled, the greater the speed of travel.

The greater the distance travelled, the lower the speed of travel

The greater the distance travelled, the greater the speed of travel.

30sS7FE-IIIa-1 - Q3
Which of the following is TRUE about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right?

The displacement of the object is equal to 12 meters down

The displacement of the object is equal to 12 meters

The total distance travelled by the object is equal to 12 meters

The total distance travelled by the object is equal to 12 meters down.

30sS7FE-IIIa-1 - Q4
You walked from your house to the main gate 3 m/s North. Which of the following quantities is used to describe your motion?

acceleration

velocity

displacement

acceleration

30sS7FE-IIIa-1 - Q5
The Philippine Eagle accelerates from 26 m/s to 47 m/s in 7 seconds. What is the eagle’s average acceleration?

3 m/s^2

2 m/s^2

5 m/s^2

4 m/s^2

30sS7FE-IIIa-1 - Q6
What is the speed of the object from 20s to 40s of its travel time?

15 m/s

5m/s

10 m/s

20 m/s

30sS7FE-IIIb-3 - Q7
What is the acceleration of the object from 40s to 60s of its travel time?

1 m/s^2

0 m/s^2

.375 m/s^2

0.5 m/s^2

30sS7FE-IIIb-3 - Q8
What can be inferred about the motion of the object in position A?

The object is decelerating.

The object is accelerating.

The object is not moving.

The object is moving in a constant speed.

30sS7FE-IIIb-3 - Q9
Which of the following describes the object from 40s to 80s of its travel time?

The object is accelerating

The object is decelerating

The object is not moving

The object is moving in a constant speed

30sS7FE-IIIb-3 - Q10
Which part of the motion graph indicates that the object is decelerating?

C

A

B

D

30sS7FE-IIIb-3 - Q11
Which of the following BEST describes the object in position D?

The object is moving in a constant velocity

The object is changing its direction.

The velocity of the object is decreasing. Therefore, the object is decelerating.

The velocity of the object is increasing. Therefore, the object is accelerating.

30sS7FE-IIIb-3 - Q12
Mechanical waves transport energy from one place to another through _________.

Particles travelling with the wave

Vibrating particles of the medium

Vibrating particles and travelling particles

Both A and B

30sS7LT-IIIc-4 - Q13
What will happen as the frequency of a wave increases and its speed remains constant?

The wave period increases.

The amplitude increases.

The wavelength increases.

The wavelength decreases

30sS7LT-IIIc-4 - Q14
How will you describe of the vibrations of a transverse wave?

Above and below the moving wave

In the same direction as the wave travels.

Opposite to the direction of wave travel.

At right angles to the direction of wave travel.

30sS7LT-IIIc-4 - Q15
The frequency of a wave is 2beats per second. What is the velocity of a wave if its wavelength is 4m?

6m/s

8m/s

4m/s

10m/s

30sS7LT-IIIc-4