Grade 7 : Science (Curiosity) - 8. Time and Motion (Set 2)

Question 1

A bicycle travels a distance of 180 kilometers in 9 hours. Assuming constant speed, what is the average speed of the bicycle?

What is the average speed of the bicycle?

Accepted Answer

C) 20 km/h

Answer

A) 15 km/h

Answer

B) 18 km/h

Answer

D) 25 km/h

Question 2

A train is moving at a constant speed of 75 km/h. How much distance will it cover in 4 hours?

Calculate the distance covered by the train.

Accepted Answer

B) 300 km

Answer

A) 250 km

Answer

C) 325 km

Answer

D) 350 km

Question 3

A runner completes a 15 km marathon. If her average speed is 5 km/h, how long did it take her to finish the marathon?

Determine the time taken by the runner.

Accepted Answer

A) 3 hours

Answer

B) 4 hours

Answer

C) 5 hours

Answer

D) 6 hours

Question 4

A school bus takes 2 hours and 30 minutes to complete its morning route. How many minutes is this duration in total?

Convert the total travel time into minutes.

Accepted Answer

D) 150 minutes

Answer

A) 120 minutes

Answer

B) 130 minutes

Answer

C) 140 minutes

Question 5

Sara walks 400 meters in 5 minutes, while Tom walks 500 meters in 8 minutes. Who walks faster?

Compare Sara's and Tom's speeds.

Accepted Answer

B) Tom walks faster

Answer

A) Sara walks faster

Answer

C) They walk at the same speed

Answer

D) Cannot be determined

Question 6

Which of the following describes an object moving with uniform motion?

Identify the scenario that represents uniform motion.

Accepted Answer

A) A car cruising on a highway at a steady 80 km/h

Answer

B) A ball rolling down a ramp

Answer

C) A rocket launching into space

Answer

D) A pendulum swinging back and forth

Question 7

A grandfather clock's pendulum completes one full swing every 2 seconds. What type of motion does the pendulum exhibit?

Categorize the motion of the pendulum.

Accepted Answer

D) Periodic motion

Answer

A) Translational motion

Answer

B) Random motion

Answer

C) Non-uniform motion

Question 8

An athlete runs 600 meters at a speed of 5 m/s, and then walks another 300 meters at a speed of 2 m/s.

What is the total time taken by the athlete for the entire journey?

Accepted Answer

B) 270 seconds

Answer

A) 180 seconds

Answer

C) 300 seconds

Answer

D) 330 seconds

Question 9

Which of the following objects demonstrates oscillatory motion?

Identify the object exhibiting oscillatory motion.

Accepted Answer

A) A child on a swing

Answer

B) A car moving in a straight line

Answer

C) A ball dropped from a height

Answer

D) A spinning top

Question 10

A car is driven through a busy city street, constantly speeding up and slowing down due to traffic lights and other vehicles.

What type of motion is the car exhibiting?

Accepted Answer

C) Non-uniform motion

Answer

A) Uniform motion

Answer

B) Periodic motion

Answer

D) Vibratory motion