WorksheetsForce, Motion and Energy
Total questions: 20
Worksheet time: 25mins
Name
Class
Date
1.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
2.
Alan travels 100 km in 5hrs. Find his average speed in km/h. Remember speed = distance divided by time.
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
3.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
4.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking
b)
Running
c)
Standing Still
d)
Walking Fast
5.
Which point has the highest kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
6.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease.
b)
The potential energy decreases while the kinetic energy increases.
c)
The kinetic energy decreases while the potential energy increases.
d)
Both the potential energy and kinetic energy increase.
7.
Matt had a toy truck weighing 15 g and a toy car weighing 6 g. Using the same amount of force on each toy, he pushed them both across his desk. The car reached the other side of the desk in 1.5 seconds, but it took the truck 3.5 seconds to reach the other side of the desk. Why did the car travel the same distance in a shorter amount of time?
a)
The car had more mass and traveled at a faster speed than the truck.
b)
The truck had more mass and traveled at a faster speed than the car.
c)
The car had less mass and traveled at a faster speed than the truck.
d)
Friction slowed the toy truck down.
8.
If you place your hand on a hot surface and it feels very hot, it means that heat is flowing _______.
a)
nowhere; heat is staying still.
b)
in circles around your hand.
c)
from your hand to the surface.
d)
from the surface to your hand.
9.
The transfer of thermal energy by direct contact, from one molecule to another is called _________.
a)
convection
b)
conduction
c)
radiation
d)
thermal
10.
When we touch the desk, it feels cold to our hand. This is because ______________.
a)
heat is flowing from the desk into our hand.
b)
cold is flowing from the desk into our hand.
c)
heat is flowing from our hand to the desk.
d)
cold is flowing from our hand to the desk.
11.
Heat flows in only one direction: It always moves __________________.
a)
from warm areas to cooler areas
b)
from cool areas to warmer areas
c)
in circles
d)
north
12.
Heat transferred through liquids and gasses.
a)
conduction
b)
convection
c)
radiation
d)
condensation
13.
What is a disadvantage of using an inclined plane to lift a heavy object?
a)
The object must be moved a greater distance.
b)
It takes less effort to move the object.
c)
Many objects are difficult to lift straight up.
d)
Heavy objects usually take up more space.
14.
Which of the following decreases when an object is moved using an inclined plane?
a)
The distance the object moves.
b)
The pull of gravity on the object.
c)
The force needed to move the object.
d)
The amount of work needing to be done.
15.
The diagram shows a movable pulley system. When moving a load, this pulley system changes the —
a)
direction of the force.
b)
amount of force needed.
c)
pull of gravity on the load.
d)
overall mass of the rope.
16.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall
d)
d. a piece of coal before it's burned
17.
You hold the back of your hand near an iron to see if it is hot. Heat is transferred to you hand by
a)
conduction
b)
convection
c)
radiation
d)
condensation
18.
Some students observing a classroom device being used noticed the following transformation:
electrical - mechanical- sound
Which device were the students most likely using?
electrical - mechanical- sound
Which device were the students most likely using?
a)
A triple beam balance measuring an objects's mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
19.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
Electrical > light > mechanical
b)
Chemical > mechanical > electrical
c)
Mechanical > chemical > light
d)
Mechanical > electrical > light
20.
What is a conductor you might find in your kitchen?
a)
Wood cutting boards
b)
Metal spoons
c)
Plastic Spatulas
d)
Rubber handles
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