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Science Final 8th Grade

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

What is the difference between speed and velocity?

a)

Speed is the distance an object travels in a unit of time.

Velocity is the distance and the direction in which the object travels.

b)

Speed is the distance and the direction in which the object travels.

Velocity is the distance an object travels in a unit of time.

c)

Speed is the distance an object travels in a unit of time.

Displacement is the distance and the direction in which the object travels.

d)

Displacement is the distance an object travels in a unit of time.

Velocity is the distance and the direction in which the object travels.

2.

What is the difference between distance and displacement?

a)

Displacement is how far you have or will travel.

Distance is how far and what direction you have traveled. .

b)

Speed is how far you have or will travel.

Displacement is how far and what direction you have traveled. .

c)

Distance is how far you have traveled.

Displacement is how far and what direction you have traveled. .

d)

Velocity is how far you have or will travel.

Distance is how far and what direction you have traveled.

3.

Which graph shows speed?

a)
b)
4.

Which measurements require direction as part of the answer?

a)

Distance

b)

Speed

c)

Displacement

d)

Velocity

5.

What is acceleration?

a)

The speed of an object.

b)

How fast something goes.

c)

The change in velocity divided by the time it takes for the change to occur.

d)

How far the object has to go.

6.

What is the formula for acceleration?

a)

a=pv

b)

p=mv

c)

a=d/t

d)

a= (sf-si)/t

7.

What graph shows acceleration

a)
b)
8.

What is the difference between momentum and inertia?

a)

Momentum is the tendency of an object to resist a change in it's motion.

Inertia is a measure of how hard it is to stop an object.

b)

Momentum is a measure of how hard it is to stop an object.

Inertia is the tendency of an object to resist a change in it's motion.

c)

Momentum is how heavy an object is.

Inertia is the speed of an object.

d)

Momentum is the speed of an object

Inertia is how heavy an object is.

9.

What is the formula for momentum?

a)

m=p/v

b)

p=mv

c)

v=p/m

10.

What is the Law of Conservation of Momentum?

a)

The total momentum of a group of objects remains constant unless outside forces act on the group.

b)

The total acceleration of a group of objects remains constant unless outside forces act on the group.

c)

The total velocity of a group of objects remains constant unless outside forces act on the group.

d)

The total speed of a group of objects remains constant unless outside forces act on the group.

11.

Which has the correct units in this order distance, speed, velocity, acceleration, an momentum?

a)

m; s; m/s; m/s2; kg x m/s

b)

m/s; s; m; kg x m/s; m/s2

c)

s; m; m/s; m/s2; kg x m/s