Worksheets6th Grade Science Regular 2.6 Review
Total questions: 30
Worksheet time: 38mins
Name
Class
Date
1.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
2.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the start
d)
Steady speed; returning to start
3.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s
c)
3 m/s
d)
6 m/s
4.
What is the average speed?
a)
10 meters/minute
b)
5 meters/minute
c)
2 meters/minute
d)
50 meters/minute
5.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
6.
During which interval is the object slowing down?
a)
A to B
b)
D to E
c)
E to F
d)
C to D
7.
What is the speed this motion?
a)
constant speed
b)
not moving
c)
increasing
d)
decreasing
8.
Alan travels 100km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
9.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity
d)
displacement
10.
Velocity is both ____ and _____.
a)
speed , direction
b)
direction, mass
c)
volume, density
d)
direction, magnitude
11.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
12.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
13.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
14.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
15.
An unknown substance has a volume of 5 cm3 and a mass of 52.5g. According to the chart, what is the substance?
a)
Water
b)
Iron
c)
Silver
d)
Gold
16.
You throw a ball into the air as shown in the diagram. At what point does the ball have the most potential energy?
a)
W
b)
X
c)
Y
d)
Z
17.
At which point on the roller coaster is the gravitational potential energy the greatest?
a)
W
b)
X
c)
Y
d)
Z
18.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Electromagnetic
19.
Select all of the objects that have kinetic energy. (You may click more than one object!)
a)
b)
c)
d)
20.
What increases as the passengers in the coaster go up the hill?
a)
fear
b)
potential energy
c)
kinetic energy
21.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
22.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.
a)
velocity
b)
gravity
c)
net force
d)
distance
23.
Is this and example of a balanced or unbalanced force?
a)
balanced
b)
KITTIES!
c)
unbalanced
d)
pshhh
24.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
25.
The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?
a)
The speed of the skateboarder will increase.
b)
The speed of the skateboarder will remain constant.
c)
The speed of the skateboarder will decrease.
d)
The skateboarder will come to a stop.
26.
How does a pulley make work easier?
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
It changes the amount of the input force applied
d)
It changes direction and increases the effect of your input force
27.
A simple machine consisting of a flat surface with one end higher than the other.
a)
inclined plane
b)
screw
c)
pulley
28.
Simple machines (lever, inclined plane, wedge, screw, pulley, wheel and axle) do which of the following?
a)
Reduce the mass of an object that needs to be moved
b)
Reduce the distance an object needs to be moved
c)
Reduce the amount of time needed to move an object over a distance
d)
Reduce the force needed to move an object over a distance
29.
A simple machine is a device that helps to reduce the amount of _____ required to do work.
a)
force
b)
energy
c)
work
d)
money
30.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
100 %
