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Worksheetscircuits, light energy, force and motion, density, properties
Total questions: 63
Worksheet time: 2hrs 56mins
Name
Class
Date
1.
What kind of circuit is this?
a)
series
b)
parallel
2.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
3.
When there is only one path for electrons to move through it is called a _____. When one light goes out, they all go out.
a)
closed circuit
b)
parallel circuit
c)
series circuit
d)
open circuit
4.
A circuit must be closed for electrons to travel.
a)
true
b)
false
5.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
6.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
7.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
8.
What kind of circuit is this?
a)
series
b)
parallel
9.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
10.
Which light will be brighter and why?
a)
Bulb A because its circuit is closed
b)
Bulb B because its circuit is closed
c)
Bulb B because it has more volts
d)
Bulb A because it has less volts
11.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
12.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
13.
All of the following are sources of light except...
a)
the sun
b)
a light bulb
c)
fire
d)
the moon
14.
A microscope makes objects under it appear bigger because the lens...
a)
bends the light passing through it.
b)
increases the strength of the light.
c)
decreases the light passing through it.
d)
changes the color of the light passing through it.
15.
Which of the following is the best model for how light is reflected?
a)
A truck traveling down a street.
b)
A baseball being hit by a bat.
c)
A ball bouncing off a wall.
d)
An acorn falling from a tree.
16.
Materials that let some light rays pass through but scatter some of the other rays
a)
translucent
b)
transparent
c)
opaque
d)
wood
17.
Glass usually allows light to
a)
absorb into it
b)
pass through it
c)
change into wavy lines
d)
be blocked
18.
A lens that is thicker in the center and thinner at the edges and bends light inwards is a ____________________
a)
concave lens
b)
convex lens
19.
Al lens that is thinner in the center and thicker at the edges and bends light outward is a _______________________
a)
concave lens
b)
convex lens
20.
Light can travel through empty space.
a)
True
b)
False
21.
1. Light is a form of ______________________.
a)
energy
b)
sound
c)
humus
d)
wind
22.
14. Light can travel through transparent solids, liquids, and gases.
a)
True
b)
False
23.
This is an example of?
a)
Absorption
b)
Reflection
c)
Refraction
d)
Transmit
24.
When light passes through a prism it?
a)
Bounces back
b)
Reflects
c)
Refracts
d)
Absorbs
25.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
26.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
27.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
28.
In the image, which of the person and their bikes will get down a hill faster?
a)
The boy because he is younger
b)
The woman because she is stronger
c)
The boy because he has a greater mass which applies a greater force
d)
The woman because she has more mass and applies a greater force
29.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
30.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
31.
If all the forces acting upon an object at rest are balanced, what will the object do?
a)
The object will stay still.
b)
The object will slow down.
c)
The object will accelerate.
d)
The object will change position.
32.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
33.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
34.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
35.
This is used to MEASURE force:
a)
A balance scale
b)
A digital scale
c)
A spring scale
d)
A mass scale
36.
What scientific tool is this?
a)
graduated cylinder
b)
spring scale
c)
test tube
d)
beaker
37.
I have two objects with the same volume but different masses. Which object will be more dense?
a)
The object with less weight.
b)
The object with more weight.
c)
The object with more mass.
d)
The object with less mass.
38.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
39.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
40.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
41.
What do magnets stick to?
a)
copper
b)
wood
c)
iron
d)
plastic
42.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
43.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
44.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
45.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
46.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
47.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
48.
True or False: All metals are attracted to magnet.
a)
True
b)
False
49.
A combination of 2 or more substances that cannot be easily separated is called-
a)
a mixture
b)
a solution
c)
a solute
d)
a solvent
50.
Water and Kool-Aid are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?
a)
Water
b)
Coffee
c)
Kool-aid
d)
Sugar
51.
A combination of two or more substances that cannot easily be separated--
a)
mixture
b)
solution
c)
solute
d)
solvent
52.
If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
a)
20 grams
b)
0 grams
c)
27 grams
d)
10 grams
53.
What is a substance that is dissolved in another substance?
a)
solution
b)
solute
c)
solvent
d)
compound
54.
Which of the following is a method of separating solutions?
a)
hand seperation
b)
filtering
c)
screening
d)
evaporation
55.
To separate a mixture of salt and water what separation tool/method is used?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
56.
If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
57.
The water turbine drives the generator which converts ................
a)
The mechanical energy to electrical energy
b)
The electrical energy to electrical energy
c)
None
58.
A trebuchet and a catapult use what type of energy to fling rocks or other materials in medieval warfare?
a)
electrical
b)
light
c)
mechanical
d)
Newtons
59.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
60.
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
61.
Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?
a)
Less force was needed on the 20 cm plane
b)
More force was needed on the 40 cm inclined plane.
c)
The least amount of force was needed on the 40 cm inclined plane.
d)
The least amount of force was needed on the 30 cm inclined plane.
62.
How can you reduce friction to a surface?
a)
add bumps
b)
add carpet
c)
add sand
d)
add oil
63.
Which causes the most friction?
a)
rolling a tennis ball down a cardboard box
b)
rolling a marble down a cardboard box
c)
rolling a tennis ball across carpet
d)
rolling a marble across carpet
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