Speed & Accleration - Level 1 Sci

How many metres are there in 10 km?

• 1000

• 10 000

• 100

• 100 000

the rate at which speed or velocity changes

• acceleration

• average speed

• motion

• reference point

Tags

NGSS.MS-PS2-2

Pippa runs to a store 70 m away in a time of 10 s. What is Pippa's average speed?

• 0.5 ms^-1

• 7 ms^-1

• 0.14 ms^-1

• 700 ms^-1

What is the gradient of this graph?

• 5 ms^-1

• 320 ms^-1

• 0.2 ms^-1

• 10 ms^-1

What is happening in this graph?

• acceleration

• constant speed

• the object is slowing down

• the object has stopped

What is the speed of the object in this graph?

• 10 ms^-1

• 0.2 ms^-1

• 10 ms^-2

• 5 ms^-1

Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?

• A car driving at a constant speed

• A book sitting on top of a high shelf

• A ball falling off a table.

• A toy boat floating in a bathtub

Amber likes to walk 10 metres in 10 seconds. What is her speed?

• 100 ms^-1

• 15 ms^-1

• 10 ms^-1

• 1.0 ms^-1

The correct equation to calculate speed is

• distance/time
• time/distance
• distance x time
• distance/time²

Tags

CCSS.8.EE.C.7B

Shona cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?

• 55km

• 32km

• 43km

• 32miles