Download Science Grade 4 Unit 03: Forms of Energy 2015-2016

Study Guide and Science Investigation Questions
Science Grade 4 Unit 03: Forms of Energy 2015-2016
word inanswer for
Please study the highlighted correct
each statement or question and complete each
related inquiry for each statement or question.
Energy
desk
4Mechanical
What form of energy is being used when a person pushes heavy boxes across the floor? F
Electrical energy
G
Mechanical energy
H Heat energy
J
5
Name and give examples of other forms of
energy.
Sound energy
You are taking a cold soda on a field trip. You must choose from four containers in which to
carry the soda. The four containers are made of different materials. Which container will
most likely insulate the soda the best?
A Metal
B Styrofoam
C
Glass
is a good insulator. Many people use styrofoam chest to keep their drinks cold.
Name three other types of containers made of
different materials.
D Plastic
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1
Look at the picture below. Which part of the lamp system could be removed and the lamp
If you remove a lampshade from a lamp it will still work.
still work?
Explain why the lamp will still work, even if the lampshade is removed.
A The lamp shade
B The electrical cord
C
The light bulb
D The wall outlet
A flashlight is a very useful tool and will still work even if the lens protecting the light bulb is
scratched.
2 A boy went camping and packed his flashlight. When it got dark, he tried to turn on the
Explain
why a flashlight with a scratched lens would still work.
flashlight; however, it didn't work. There are several reasons why it would not work. All of
the following could be reasons the flashlight failed to work EXCEPT —
F
There were no batteries in the flashlight.
G
The lens protecting the light bulb was scratched.
H He didn't turn the switch from off to on.
J
3
The flashlight batteries were old.
Which object is the best conductor of electricity?
A A ceramic mug
B A plastic fork
Explain why a penny is a good conductor of
C A penny electricity.
D A wooden craft stick
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8 A student wants to see how the size of an iron ball is affected by gravity. Which of the
following would have to remain the same for the experiment to be successful?
F
Mass and volume
G
Material used and shape of object
List the steps in a scientific
investigation.
H Mass and shape of object
A student wants to conduct an investigation on gravity and the size of a marble. For the
J toVolume and material used
investigation
be successful the materials used and the shape of object will have to stay the
same.
9 A student created an electrical circuit, shown below.
Which of the following statements is true about the circuit?
A The electrical circuit is working.
Circle the part of the labeled diagram
above where the electrical circuit is
open.
The electrical circuit is complete.
B The electrical circuit is open.
C
D The electrical circuit is closed.
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6
Wood
Why is the wooden handle a good heat insulator?
Which statement is true about the picture above?
F
The metal pan causes the water to boil. G
The metal pan is a poor conductor of heat.
H The wooden handle is a good heat insulator. J
7
The wooden handle is a good heat conductor.
A girl turned the light off and went to bed. She remembered she had accidentally left her
glass of ice water on the counter. When she got up the next morning, the ice had melted.
What form of energy caused the ice to melt?
A Sound energy
B Light energy
C
Thermal energy
Give a definition for Thermal Energy.
D Mechanical energy
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10
Which form of energy is produced when a guitar string vibrates?
F
Sound energy
G
Electrical energy
Explain why the strumming of guitar
string produces sound energy.
H Chemical energy
J Light energy
Why would you not need a magnet when conducting an investigation on the amount of force
used to pull an object?
11
Students were conducting an investigation to observe how the amount of force used to pull
an object affects how fast it can travel 3 meters. Which of the following would NOT be
needed for the experiment?
A Magnet
B Meter stick
C
Stop watch
D Spring scale
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12
An electromagnetic field is a field that has magnetic and electrical properties and
surrounds objects with an electrical charge. Changes in an electric field can generate
magnetic activity, while changes in a magnetic field can generate electrical activity. The magnetic field in an electromagnet can be increased in all of the following ways
EXCEPT —
F
increasing the current in the wire
Explain why increasing the space
increasing the space between the loops between the loops would not increase
the magnetic field.
H putting more loops on the coil
G
J
13
placing an iron core inside the coil
What safety equipment would be essential in an investigation testing the effect of force on
an object?
A Aprons
B Timing devices
What could happen if you did not wear
Safety goggles safety goggles when testing the effect of
force on an object?
D Plastic gloves
C
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16
A teacher drew a Venn diagram on the board, as shown below.
On
the Conductor side of the venn diagram we know it allows energy to flow through it.
Which of the following terms belongs only in the Conductor section of the Venn diagram?
Complete the Insulator side of the diagram.
F Can be made from wood
G
Stops energy from passing through it
H Allows energy to pass through it
J
17
Is made from matter
Which of the following materials are good conductors of heat, sound, and electricity?
A Water
B Glass
Why C
is Copper a good conductor of heat, sound, and electricity?
D Wood
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14
.
Light Energy
Which form of energy is produced when a lamp is switched on?
F
Sound energy
G
Electrical energy
H Chemical energy
What happens if the light bulb is burnt out?
J Light energy
15
A student wanted to see how his toy car would roll on different types of flooring. Jack
decided to roll the car on a tile floor, a wood floor, and a carpeted floor. Jack's experiment
friction.
was designed to test the effects of which of the following forces.
I. Gravity
II. Friction
III. Magnetism
A Gravity
B Gravity and magnetism
C
Magnetism and friction
D Friction
Draw a picture of what this experiment would
look like.
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18
A child wants to purchase a toy electronic kit, shown below.
Which of the following statements about the toy electronic kit are accurate.
F
Students of all ages will learn about electronic circuits using this toy.
G
Students will learn about electronic conductors and insulators.
H Students are able to build at least one hundred different projects.is an accurate statement.
J Explain
All the electronic circuit projects use batteries and a light bulb.
why the statement "Have fun while
learning" is an opinion?
19
A student wants to design an experiment to test the effect of friction on an object. What
materials might be needed to conduct this investigation?
Hint: See investigation above where the student wanted to see how his toy car would roll
on different types of flooring.
Draw and label a picture showing the set up for the student's experiment.
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20
Students took detailed measurements for an investigation on force. They recorded the
data in a table, shown below.
Create a graph of the data.
Hint: Label the
Newtons on this
side of the graph.
Hint: Label the Time to Travel on this part
of the graph
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