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WorksheetsUnit 3 & 4 Review (5.6)
Total questions: 39
Worksheet time: 3hrs 15mins
Name
Class
Date
1.
“Ball C" is rolling across the surface, but it eventually comes to a stop. Which force is most likely responsible for this?
a)
gravity
b)
friction
c)
electricity
d)
magnetism
2.
If the forces are the same in Scenario A and Scenario C, which ball would move the fastest?
a)
both balls would move at the same speed
b)
there is no way to determine which ball would move the fastest
c)
the ball in Scenario C
d)
the ball in Scenario A
3.
Ball B" is moving towards the rectangular block. Which feature of the block can explain why this is happening?
a)
the block is blowing air towards "Ball B"
b)
the block is a magnet (and "Ball B" is made of a magnetic material)
c)
the block is located on the highest part of the surface
d)
the block is heavier than "Ball B"
4.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
5.
A control in an experiment is -
a)
the substance, object or group in an experiment that is not changed
b)
an experiment in which all variables are kept the same except one
c)
a push or pull
d)
a condition in an experiment that is changed
6.
A variable in a science experiment is -
a)
the substance, object or group in an experiment that is not changed
b)
an experiment in which all variables are kept the same except one
c)
a push or pull
d)
a condition in an experiment that is changed in order to determine the effect
7.
Which experiment listed below will best determine how friction affects the speed of a rolling object?
a)
Roll 3 objects of various sizes across the floor.
b)
Roll 3 objects of equal size from various heights across the floor.
c)
Roll 3 objects of equal size across 3 different types of surfaces.
d)
Roll 3 objects of equal size from equal heights across the floor.
8.
When conducting an experiment, in order to get reliable results, it is important to:
a)
Disregard results that do not match your hypothesis
b)
Test many different variables at the same time
c)
Test all forces at the same time
d)
Repeat the investigation several times
9.
When designing an experiment, why is it important to test only one variable?
a)
Testing one variable explains what caused the change once data has been gathered.
b)
Testing one variable collects inaccurate data and repeats the investigation more than necessary.
c)
Testing one variable decreases the reliability of the investigation.
d)
It is not necessary to test only one variable.
10.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
11.
sunglasses and tinted windows
a)
refraction
b)
absorption
c)
reflection
12.
Solar energy receives its energy from the ______
a)
sun
b)
moon
c)
light
d)
heat
13.
Light hitting a prism is an example of
a)
Absorption
b)
Reflection
c)
Yellow Light
d)
Refraction
14.
How does light travel?
a)
in a wavy path
b)
in a straight path
c)
in a zig zag path
15.
What is a property of a transparent object?
a)
Almost all of the light rays that reach it are scattered.
b)
Almost all of the light rays that reach it are absorbed.
c)
Almost all of the light rays that reach it are reflected.
d)
Almost all of the light rays that reach it pass through it.
16.
Which group of items are all magnetic?
a)
plastic, steel, and iron
b)
rubber band, nail, and wood
c)
copper penny, dime, and paper clip
d)
nail, steel, and iron
17.
Nancy has created an electrical circuit and wonders which object she should use as a conductor:
a)
penny
b)
styrofoam
c)
plastic
d)
wood
18.
Lucy is kicking back after school and listening to the radio. What type of energy is using vibrations?
a)
electrical
b)
sound
c)
heat/thermal
d)
electrical
19.
The pictures shows what a student observed when he looked through a hand lens at a penny.
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
a)
absorbed
b)
reflected
c)
refracted
d)
stopped
20.
Which of the following materials would reflect the most light?
a)
a flat sheet of aluminum foil
b)
a dark brown carpet square
c)
a smooth, black-topped table
d)
a piece of red construction paper
21.
The illustration shows a hand generator. Turning the handle of the generator causes the bulb to light up. This device changes what type of energy into what other type?
a)
mechanical to electrical
b)
electrical to sound
c)
thermal to mechanical
d)
light to thermal
22.
Is this circuit open or closed?
a)
open
b)
closed
23.
What is happening to the light in this picture?
a)
bouncing (reflecting)
b)
bending (reflecting)
c)
bouncing (refracting)
d)
bending (refracting)
24.
What is happening to the light in this picture?
a)
bouncing (reflecting)
b)
bouncing (refracting)
c)
bending (reflecting)
d)
bending (refracting)
25.
Why is this not a complete circuit?
a)
the switch is open
b)
double positive charge
c)
negative charge is not connected
d)
nothing
26.
How many light bulbs are lit?
a)
0
b)
1
c)
2
d)
3
27.
How many light bulbs are lit?
a)
0
b)
1
c)
2
d)
3
28.
How many light bulbs are lit?
a)
0
b)
1
c)
2
d)
3
29.
How many light bulbs are lit?
a)
0
b)
1
c)
2
d)
3
30.
How can you make this into a complete circuit?
a)
remove screw
b)
add a switch
c)
connect negative to positive charge
d)
take out short red wire
31.
What happens when light hits an object that it cannot pass through?
a)
refracted or absorbed
b)
reflected or absorbed
c)
scattered or curved
d)
reflected or refracted
32.
Which of the following objects does NOT reflect light?
a)
mirror
b)
white car
c)
black shirt
d)
aluminum foil
33.
Water flows through turbines in dams like the one shown below. The flowing water make the turbines spin.
a)
light energy
b)
thermal energy
c)
sound energy
d)
mechanical energy
34.
Ten students placed their hands on their faces, then rubbed their hands together for 30 seconds, and again placed their hands on their faces. All ten students reported that their hands were much hotter after they rubbed them together. What is the best conclusion that can be made from this activity?
a)
Heat was lost because the energy was destroyed by the friction created from rubbing their hands together.
b)
Heat was produced from the friction caused by rubbing their hands together.
c)
Friction was produced from rubbing their hands on their faces.
d)
Friction caused the heat from their faces to be transferred to their hands.
35.
Which of the following best describes how the object lens of this telescope helps scientists observe the moon?
a)
The object lens produces light.
b)
The objective lens blocks light
c)
The objective lens reflects light.
d)
The objective lens refracts light.
36.
a)
A
b)
B
c)
C
d)
D
37.
a)
A
b)
B
c)
C
d)
D
38.
a)
A
b)
B
c)
C
d)
D
39.
a)
A
b)
B
c)
C
d)
D
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