WorksheetsSci202(Midterm Quiz)
Total questions: 35
Worksheet time: 12mins
Ethan, Mia, and Lily are in Mr. Huff's classroom. They start to feel hot, so Mr. Huff plugs in a fan and turns it on. What type of energy transformation is happening now?
mechanical to electrical
chemical to mechanical
electrical to mechanical
electrical to sound
Avery, Anika, and Aria are in a study group when Avery's cell phone rings. What type of energy is given off by Avery's cell phone?
sound energy
thermal energy
gravitational energy
nuclear energy
Scarlett, Charlotte, and Mason are planning a trip in a gas-powered hot air balloon. What type of energy conversion takes place in the balloon for it to fly?
nuclear >light > mechanical
sound > solar
electromagnetic> sound > electrical
chemical > thermal > mechanical
Aiden, Mia, and James are working on a science project. They are using a solar panel to power a small fan. Here, the Solar Energy is transferred to _____ Energy.?
mechanical
sound
solar
electrical
Oliver and Liam are working on a science project. They need to use a battery. What type of energy is stored in the battery that they are using?
electrical
thermal
chemical
mechanical
Scarlett, Luna, and Lily are learning about energy conversion in their science class. Their teacher explained that when they fill up their family car with gasoline, a certain type of energy conversion takes place. What type of energy conversion is it?
thermal > electrical
chemical > mechanical
mechanical > electrical
mechanical > electromagnetic
Kai is riding his bicycle, and then he uses the brakes to stop. What is this an example of, in terms of energy?
energy conservation
energy creation
energy transformation
mechanical energy
During a movie night at Avery's house, Henry and William were curious about how the energy transfers on the T.V. they were watching. Can you explain it to them??
The sun shines on the T.V., converting solar energy to light energy, which then turns into thermal energy.
The T.V. uses nuclear energy, which is then converted to electricity.
The T.V. uses electricity, which is then converted to solar energy and finally to mechanical energy.
The T.V. uses electrical energy, which is then converted to light and sound energy.
You have made a simple circuit with one bulb. If you wanted to add an extra bulb without the first bulb dimming, what would you need to design?
series circuit
parallel circuit
complex circuit
incomplete circuit
A circuit has one lamp and a cell. What is most likely to happen if you add more cells to complete the circuit?
the circuit will not work
the circuit will overload
the bulb will get dimmer
the bulb will get brighter
What unit does the electrical current have?
ampere
volts
power
newton
Which of the following describes a parallel circuit?
all bulbs light up together
if one bulb breaks the circuit is broken
current flows along each branch
the bulbs light up alternatively
You have a circuit that lights two bulbs. You remove one bulb from the circuit. What effect will that have?
the single bulb will look dimmer than two bulbs did
the power source needs to be stronger
there will be no effect on the circuit
the single bulb will burn more brightly than the two bulbs did
Which part of a circuit is designed to create a break in the flow of electricity?
load
switch
connectors
power source
Which of the following can supply energy in an electric circuit?
conductor
wire
bulb
battery
When all parts of the circuit are connected, it is a ______ circuit.?
open
closed
open-close
closed-closed
When we are in the inside your house, which of the following sound may reach our ears first?
whisper of the members in the family inside your house
ring of a bell from the neighbor’s door
chirping of the birds outside your house
a telephone ringing
When a material is heated
its particles disappear
its particles vibrate
its particles stay in one spot
its particles vibrate more rapidly
Which of the following would be most likely to cause hearing loss?
burglar alarm
a jet taking off
a dog barking
a symphony concert
What would you do to increase the intensity of the sound that a drum makes?
tap the drum harder
tighten the drum head
loosen the drum head
make the drum head out of a thicker material
What would you do to lower the pitch on a violin?
pluck the string very lightly
loosen the string
shorten the string
use a thinner string
Why is the moon classified as a light reflector instead of a light producer?
the moon makes its own light from energy within it.
the moon is not visible from earth during the new moon phase
the moon is visible because light from the sun bounces off of it.
the moon glows from radiant energy below its surface.
Which is the best activity to help keep a home cool in the summer?
open the refrigerator often
open the windows during the day
turn off the television, radios and computers
open the shades where the sun is shinning
Materials that do not allow the heat and electricity to pass through them are called?
aluminum
insulators
electricity
conductors
Which among the materials are good conductors of heat and electricity?
paper and paper clip
copper wire and pencil
cooking pots and pans
metal spoon and towel
Which of these objects is opaque?
brick wall
liquid water
eyeglasses lenses
stained glass windows
Many electrical wires are wrapped with a plastic coating because plastic is?
less expensive than steel
able to keep its shape
denser than copper
a good insulator
Electricians usually wear rubber gloves for protection. The purpose of the rubber gloves is to
keep the electrician dry
produce electricity
create an electrical circuit
insulate the electrician
The handles of our cooking utensils at home are usually made of rubber or hard plastics that do not allow heat to pass through them. These materials.
have high resistance
are conductors
are fragile
all of the above
Heating a fluid causes the particles to
move apart
energy is taken from your body
are fragile
convection
Heat energy can be transferred in solids by
radiation
convection
conduction
all of the above
Being warmed by fire is an example of which type of energy?
radiation
convection
conduction
all of the above
What is a tool used to measure temperature?
scale
thermometer
conductor
friction
A butter is heated on a hot pan, the transfer of heat is
from butter to the pan
from the pan to the butter
from butter to butter
from pan to pan
Which of the following is an example of heat transfer by conduction?
burning your fingers on a hot iron
standing by a campfire and feeling the heat
heat from heater warming up your whole house
all of the above
