Ch. 7 Motion Quiz

What is the SI unit of distance?

• foot

• mile

• meter

• kilometer

Changing position relative to another object describes

• distance

• motion

• speed

• velocity

Which of the following is the best reference point for describing motion of the planets in our solar system?

• Earth

• The sun

• The Milky Way

• Any planet in the solar system

What does speed measure?

• How fast an object is going

• How far an object has traveled

• The rate at which an object speeds up

• The rate at which an object slows down

Tags

NGSS.MS-PS3-1

The speed of an object is determined by

• the distance the object travels per unit of time

• the sum of all forces acting on an object

• the direction of the object

• the mass of the object

Tags

NGSS.MS-PS3-1

Speed in a given direction is called

• acceleration

• average speed

• velocity

• instantaneous speed

The total distance traveled by an object divided by the total time is known as the

• average speed

• instantaneous speed

• constant speed

• velocity

Acceleration refers to

• increasing speed

• decreasing speed

• changing direction

• all the above

What does acceleration measure?

• How fast an object is going

• The fastest speed that an object can reach

• The force with which an object travels

• The rate at which speed or direction changes

Geese fly about 64 kilometers per hour when they migrate south is an example of

• speed

• average speed

• velocity

• acceleration

Tags

NGSS.MS-PS3-1