Calculating speed

Below shows four different types of animals.

P - Horse

Q - Tortoise

R - Snail

S - Polar Bear

Arrange the animals according to their speed, from the fastest to the slowest.

• R, Q, S, P

• Q, R, P, S

• S, P, R, Q

• P, S, Q, R

A driver is driving at a speed of 80 km/h.

What should the driver do when he sees the road sign shown above?

• Reduce his speed

• Increase his speed

• Maintain his speed

• Stop his car on the roadside

What is the meaning of speed?

• How far an object moves

• How long an object moves

• How slow or fast an object moves

• How big or small an object is

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NGSS.MS-PS3-1

Which of the following statements about speed is correct?

• All objects have speed.

• Objects that are not moving do not have speed.

• A faster object arrives later at its destination.

• A faster object needs more time to reach its destination.

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NGSS.MS-PS3-1

Which of the following is the fastest?

• Animal A which moves a distance of 20 km in two hours.

• Animal B which moves a distance of 10 km in two hours.

• Animal C which moves a distance of 10 km in half an hour.

• Animal C which moves a distance of 5 km in an hour.

The bar chart below shows the time taken by three toy cars to move a distance of 50 m.

Which of the following is correct?

• Toy car L is the fastest.

• Toy car K is the fastest.

• Toy car J moves faster than toy car L.

• Toy car L moves slower than toy car K.

Tags

NGSS.MS-PS3-1

A car takes 3 hours to reach its destination which is 315 km away. What is the speed of the car?

• 85 km/h

• 95 km/h

• 105 km/h

• 125 km/h

Which of the following boats is the fastest?

• Boat P that moves a distance of 100 metres in 20 seconds.

• Boat Q that moves a distance of 90 metres in 20 seconds.

• Boat R that moves a distance of 80 metres in 20 seconds.

• Boat S that moves a distance of 70 metres in 20 seconds.

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NGSS.MS-PS3-1

Table below shows the distances travelled and the time taken by four vehicles.

Which of the following about the speed of these vehicles is correct?

• P is faster than R but slower than Q.

• S is faster than P but slower than R.

• Q is faster than R but slower than P.

• R is faster than Q but slower than S.

Tags

NGSS.MS-PS3-1

A lorry takes 5 hours to reach its destination which is 400 km away. What is the speed of the lorry?

• 80 km/h

• 100 km/h

• 110 km/h

• 120 km/h