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WorksheetsReview of all concepts
Total questions: 56
Worksheet time: 57mins
Name
Class
Date
1.
Which safety precaution must be taken when investigating the boiling point of water?
a)
Report any changes in temperature
b)
Make sure to record your data
c)
Always wear goggles
d)
Only use gloves and an apron
2.
The temperature of water in a beaker measures 87 degrees Celsius. How many more degrees must the temperature increase to reach the boiling point?
a)
23 degrees Celsius
b)
212 degrees Celsius
c)
13 degrees Celsius
d)
100 degrees Celsius
3.
How much does the temperature have to rise for water at 85 degrees Celsius to reach the boiling point?
a)
15 degrees Celsius
b)
100 degrees Celsius
c)
0 degrees Celsius
d)
25 degrees Celsius
4.
How far above the freezing point is 52 degrees Celcius?
a)
52 degrees C
b)
100 degrees C
c)
42 degrees C
d)
0 degrees C
5.
What is the boiling point of water
a)
0 C
b)
100 F
c)
50 C
d)
100 C
6.
A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?
a)
100 degrees celsius
b)
32 degrees celsius
c)
25 degrees celsius
d)
0 degrees celsius
7.
A student measures the temperature of water being heated on a hot plate. The student observes that the temperature of the water is 53 degrees celsius. How many more degrees Celsius must the temperature rise before it reaches the boiling temperature of water?
a)
37 degrees
b)
27 degrees
c)
47 degrees
d)
100 degrees
8.
What is happening at freezing point?
a)
gas to liquid
b)
solid to liquid
c)
liquid to solid
d)
liquid to gas
9.
Which of the following is a method of separating solutions?
a)
hand seperation
b)
filtering
c)
screening
d)
evaporation
10.
To separate a mixture of salt and water what separation tool/method is used?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
11.
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
12.
Lemonade is a special mixture called a
a)
substance
b)
solution
c)
plasma
d)
ingredient
13.
A solution is a mixture of one or more substances _________ evenly into another substance.
a)
dissolved
b)
evaporated
c)
carried
d)
split
14.
A fruit salad is a
a)
solution
b)
mixture
15.
Which of the following is a characteristic of liquids?
a)
molecules are tightly packed
b)
takes the shape of its container
c)
constantly keeps its shape
d)
molecules are spread far apart
16.
Molecules in a solid are
a)
close together
b)
glide past each other
c)
far apart
17.
A student added sugar to a cup of water and stirred with a spoon. After 10 minutes you could not see the sugar anymore. What happened to the sugar?
a)
the sugar evaporated
b)
the sugar dissolved
c)
the sugar was magnetic
18.
Which object is magnetic and a conductor?
a)
iron nail
b)
wood
c)
glass
d)
copper wire
19.
Which liquid has the greatest density?
a)
lamp oil
b)
karo syrup
c)
water
d)
honey
20.
When liquid changes into a gas, it is called
a)
melting point temperature
b)
boiling point temperature
c)
condensation point
d)
freezing point temperature
21.
Roshen made this model. In her model the bulb is not lit.
Which of these statements best explains why the bulb is not lit?
Which of these statements best explains why the bulb is not lit?
a)
The wires are connected to the wrong battery terminals.
b)
The bulb is burned out.
c)
The switch is open.
d)
A wire is missing.
22.
Eileen tried each of these setups to make a working circuit.
In which setup would the bulb light?
In which setup would the bulb light?
a)
Setup A
b)
Setup B
c)
Setup C
d)
Setup D
23.
These three light bulbs are powered by the battery.
What will happen if the middle light burns out?
What will happen if the middle light burns out?
a)
The two other bulbs will go out.
b)
The two other bulbs will stay on.
c)
Just the bulb closest to the battery will stay on.
d)
Just the bulb farthest from the battery will stay on.
24.
Tisha turned on a switch.
What does turning a switch on do?
What does turning a switch on do?
a)
open a circuit, allowing electricity to flow
b)
close a circuit, allowing electricity to flow
c)
ope a circuit, stopping electricity from flowing
d)
close a circuit, stopping electricity from flowing
25.
Jimmy made this setup. The bells do not ring.
Which is most likely to be causing the problem?
Which is most likely to be causing the problem?
a)
a screw is loose
b)
A wire is detached
c)
The battery is dead
d)
The bell ringer is stuck
26.
Sam is building a circuit.
What does he need to complete the circuit?
What does he need to complete the circuit?
a)
bell
b)
switch
c)
energy source
d)
more wire
27.
Trevor is building a circuit.
What does he need to complete it?
What does he need to complete it?
a)
switch
b)
bigger battery
c)
another light bulb
d)
another piece of wire
28.
The battery powers the light.
Which is the quickest way to turn off the light?
Which is the quickest way to turn off the light?
a)
disconnect a wire
b)
call an electrician
c)
break the light bulb
d)
let the battery run out
29.
Ramona gathered these parts to build her circuit.
What else does she need?
What else does she need?
a)
power source
b)
light switch
c)
conductor
d)
insulator
30.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
31.
When a ball rolls down a hill
a)
kinetic energy is created
b)
potential energy is created
c)
thermal energy is created
d)
none of these
32.
Name this simple machine.
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
33.
Name this simple machine.
a)
Pulley
b)
Wheel and Axle
c)
Inclined Plane
d)
Lever
34.
Name this simple machine.
a)
Lever
b)
Wedge
c)
Pulley
d)
Inclined Plane
35.
Name this simple machine.
a)
Screw
b)
Lever
c)
Pulley
d)
Wedge
36.
Which choice is an example of a pulley?
a)
Axe
b)
Seesaw
c)
Crane
d)
Tunnel
37.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
38.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
39.
A simple machine consisting of a rope or cable that runs around a grooved wheel.
a)
wheel and axle
b)
wedge
c)
pulley
40.
A simple machine consisting of a flat surface with one end higher than the other.
a)
inclined plane
b)
screw
c)
pulley
41.
What simple machine is pictured?
a)
inclined plane
b)
screw
c)
wedge
42.
What is this an example of?
a)
wheel and axle
b)
lever
c)
pulley
d)
screw
43.
A circular object attached to a bar is a...
a)
screw
b)
lever
c)
wheel and axle
44.
A student is preparing a presentation about alternative energy resources. The student has found the following information:
Which alternative energy source does this information describe?
Which alternative energy source does this information describe?
a)
Hydroelectricity
b)
Solar energy
c)
Biofuels
d)
Wind
45.
The poster shown below advertises tours of a power plant.
This power plant produces electricity most likely by using-
This power plant produces electricity most likely by using-
a)
fossil fuels
b)
biofuels
c)
solar energy
d)
geothermal energy
46.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal
47.
Rock formations hanging from a roof are called ________.
a)
stalacites
b)
stalagmites
c)
troglodytes
d)
minerals
48.
Where can the oldest layer be found?
a)
The top layer
b)
The middle layer
c)
They are all the same age
d)
The bottom layer
49.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
50.
Which area is most likely to have fossil fuels present today?
a)
A
b)
B
c)
C
d)
D
51.
Several wooly mammoth fossils have been found. Mammoths, which lived hundreds of thousands of years ago, were covered with thick fur. Based on the evidence, mammoth fossils tell us that the area in which they are found -
a)
has too many humans
b)
no longer has large animals
c)
was, at one time, very cold
d)
receives more rain that it used to
52.
I am rock made of layers of compressed organic and inorganic sediments.
a)
coal
b)
rock
c)
sedimentary rock
d)
mud
53.
What kind of energy is represented in this picture?
a)
Thermal
b)
Chemical
c)
Electrical
d)
Sound
54.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
55.
What kind of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
56.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
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