7th Grade Science Ch 1 Review

You travel at 200 km in 2 h. Your ___ speed is 100 km/h.

• con

• average

• instantaneous

• initial

Displacement is the difference between the initial and the ___ position of an object.

• positive

• resting

• motion

• final

When an object is at rest, what is its speed?

• 2 m/s

• 3 m/s

• 1 m/s

• 0 m/s

What is the term for speed at any instant in time?

• instantantaneous

• variable

• constant

• average

A starting point that can be used to locate a place or thing is a ___ point.

• dime

• reference

• position

• motion

A soccer ball takes 20 s to roll 10 m. What is the average speed of the soccer ball?

• 200 m/s

• 5 m/s

• 2 m/s

• 0.5 m/s

The distance traveled divided by the time taken to travel the distance is ___.

• average sped

• mass

• momentum

• speed

Acceleration is a change in ___.

• speed

• velocity

• displacement

• position

Which of the following statements best describes the motion of the object?

• the object moved at a constant speed

• the object accelerated at a constant speed

• the average speed of the object was less than 1 m/s

• the instantaneous speed of the object was greater than 1 m/s

Tags

NGSS.MS-PS3-1

During which time interval was the object moving fastest?

• 0 to 1 s

• 1 s to 2 s

• 2s to 3 s

• 3 s to 4 s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5