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WorksheetsUnit Test: Energy
Total questions: 130
Worksheet time: 3hrs 39mins
What type of energy is being used?
electromagnetic
mechanical
thermal
sound
What type of energy is being used?
electromagnetic
mechanical
chemical (photosynthesis)
sound
Which of the following is NOT an example of chemical energy?
A glow stick
A battery
A rock about to fall off a cliff
A burning match
Objects with MORE MASS have______________
lower potential energy
lower number of atoms
higher thermal energy
higher temperature
Temperature always measures the ___________ movement of molecules
median
mode
total
average
As temperature increases, molecules _____________
move slower
move the same
move faster
stop moving
Which type of heat transfer is shown?
convection
conduction
radiation
ironing
Transfer of energy by electromagnetic waves is called
conduction
convection
radiation
infrared proton rays (sounds cool, but I made it up so don't pick this one)
A material that doesn’t allow heat to pass through it easily is a/an
conductor
insulator
metal
rock
When heat is passed on by direct contact of particles, this occurs
conduction
condensation
convection
radiation
Temperature scale starting with absolute zero at 0 is the
coldness scale
Farenheit scale
Celcius scale
Kelvin scale
The diagram above represents a thermometer. Which of the following best explains how the thermometer works?
Liquid changes to a gas when heated.
Gas changes to a liquid when heated.
Liquids expand when heated and contract when cooled.
Liquids contract when heated and expand when cooled.
Heat
The total kinetic and potential energy of all the particles in an object.
Energy that is transferred from a warmer object to a cooler object.
A measure of the average kinetic energy of the particles in a substance.
The heating of a substance that causes its particles to move more quickly.
Thermal Energy
The total kinetic and potential energy of all the particles in an object.
Energy that is transferred from a warmer object to a cooler object.
A measure of the average kinetic energy of the particles in a substance.
The heating of a substance that causes its particles to move more quickly.
In this example, explain the movement of thermal energy in the glass.
Heat is moving from the lemonade to the glass
Heat is moving from the lemonade to the ice
Cold is moving from the ice to the lemonade
Cold is moving from the ice to the glass
This Styrofoam cup is a good example of a _________.
Conductor
Insulator
Drinking device
Solid
What energy transformation occurs as howler monkeys loudly call to each other in the forest?
Chemical --> Mechanical --> Sound
Chemical --> Sound --> Thermal
Sound --> Chemical --> Radiant
Mechanical --> Chemical --> Sound
What energy transformation occurs during photosynthesis?
Chemical --> Radiant
Thermal --> Chemical
Radiant --> Chemical
Mechanical --> Thermal
What energy transformation occurs as a mouse produces body heat?
Chemical --> Thermal
Thermal --> Chemical
Electrical --> Thermal
Thermal --> Mechanical
the continuous flow of electrical charges through a material
electron
electric force
electric field
electric current
static electricity
the region around a charged object where the object's electric force is exerted on other charged objects
electron
electric force
electric field
electric current
static electricity
the force between charged objects
electron
electric force
electric field
electric current
static electricity
a negatively-charged particle that moves around the outside of the nucleus of an atom
electron
electric force
electric field
electric current
static electricity
either end of a magnetic object, where the magnetic force is strongest
magnet
magnetic force
magnetic pole
magnetic field
Where are the strongest and weakest parts of the magnetic field shown in the diagram?
strongest: A, weakest: B
strongest: A, weakest: D
strongest: C, weakest: A
strongest: C, weakest: B
Which of the following statements describes the similarities between electric and magnetic fields?
The field lines in both magnetic and electric fields are always straight.
Each charged particle and magnet have both a positive and negative side.
Opposite charges and poles are always attracted to each other.
The potential energy increases as like charges or poles get farther apart.
How does the magnetic field protect life on Earth?
The magnetic field directs charged particles toward the poles and then past Earth.
The magnetic field directs charged particles toward the equator and then past Earth.
The magnetic field absorbs the charged particles coming from the sun.
The magnetic field directs charged particles toward the poles then absorbs them.
How does separating two magnets, as shown in the diagram, affect the energy in the system?
Separating the magnets increases potential energy.
Separating the magnets increases kinetic energy.
Separating the magnets decreases potential energy.
Separating the magnets decreases the electric energy.
Which of the following would NOT increase the magnitude of the electric force between the positively and negatively charged objects?
increasing the amount of positive charges
increasing the amount of negative charges
increasing the distance between the charged objects
decreasing the distance between the charged objects
What are Motors?
machines that convert electrical energy to mechanical energy
machines that convert mechanical energy to electrical energy
transfers voltages from one value to another
machines that transfer energy to matter
which of the following is a picture of a transformer
What kind of energy transfer occurs in a generator?
mechanical to electrical
electrical to mechanical
thermal to electrical
mechanical to thermal
What type of energy would be EXERTED by a motor?
thermal
electrical
mechanical
potential
Transformers only transfer electricity only if...
the current is alternating
there's at least one coil (primary)
none of these
all of these
What is the function of the generator?
Convert electrical energy to mechanical (kinetic) energy
Convert electrical energy to thermal energy (heat)
Convert mechanical (kinetic) energy to electrical energy
What is the function of the motor?
Convert electrical energy to mechanical (kinetic) energy
Convert electrical energy to thermal energy (heat)
Convert mechanical (kinetic) energy to electrical energy
What is the function of the transformer?
Convert electrical energy to mechanical (kinetic) energy
Convert electrical energy to thermal energy (heat)
Convert mechanical (kinetic) energy to electrical energy
Step up or step down the voltage
What type of transformer is A?
Step up
Step down
At what part of the atom is the arrow pointing?
electron
neutron
proton
nucleus
At what part of the atom is the arrow pointing?
Cloud
energy level
electron
neutron
At what part of the atom is the arrow pointing?
proton
neutron
electron
nucleus
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
What is this a picture of?
plate tectonics
continental drift
pangaea
glacier scaring
What was Alfred Wegenerś Continental Drift theory?
The continents used to be joined together to form a supercontinent.
The continents have since drifted apart to their current location
Pangaea was formed around 250 million years ago
All of the above
What are two pieces of evidence used to support the theory of continental drift?
Fossils and Pangaea
South America and Rocks
Rocks and Fossils
Fossils and Africa
Alfred Wegener thought which 2 continents looked like puzzle pieces that could fit together?
Antarctica and Asia
South America and Africa
South America and Australia
Africa and Pangaea
Alfred Wegener thought South America and Africa have similar coastlines because...
the mesosaurus fossils were found on both continents
He noticed that similar rocks were found on both continents
he thought that the continents used be be joined together
Pangaea was 250 million years ago
What cold environment feature was evidence to support the theory that the continents used to be joined?
Same rocks were found on different continents
Glacial grooves were found on different continents
Fossilized evidence of the same organism found on different continents
Africa and South America look like puzzle pieces that fit together
What evidence of an ancient organism was used to support the theory that the continents used to be joined?
Same rocks were found on different continents
Glacial grooves were found on different continents
Fossilized evidence of the same organism found on different continents
Africa and South America look like puzzle pieces that fit together
What was Pangaea?
It was a supercontinent, made of all of the landmasses on Earth.
It was 2 separate landmasses, one on the Northern Hemisphere and one on the Southern Hemisphere.
It was a supercontinent made of 3 landmasses
It was the name of an ancient organism
What was Alfred Wegenerś Continental Drift theory?
The continents used to be joined together to form a supercontinent.
The continents have since drifted apart to their current location
Pangaea was formed around 250 million years ago
All of the above
What are two pieces of evidence used to support the theory of continental drift?
Fossils and Pangaea
South America and Rocks
Rocks and Fossils
Fossils and Africa
Study of plates, their movement, and Earth’s features that they affect
Plate boundaries
Plate Tectonics
Major mountains
Where did Wegener find plant fossils that today would not be able to survive on that type of land?
North America
Antarctica
China
India
What is the name for the large landmass of all the continents that formed 175 million years ago?
Pangaea
Laurasia
United Continents
What piece of evidence for Continental Drift states that similar types and ages of rocks are found on different continents?
Continent Shape
Fossil/Climate Evidence
Landform/Rock Evidence
Glacial Evidence
What piece of evidence for Continental Drift states that the same plant and animal fossils are found on continents separated by oceans.
Continent Shape
Fossil/Climate Evidence
Landform/Rock Evidence
Glacial Evidence
The Appalachian & the Caledonian Mountain ranges have the same age & composition. This is an example of which type of clue?
Climate
Rock
Fossil
Life
Glacial grooves are an example of which type of clue?
Climate
Rock
Fossil
Life
Wegener found fossils of ancient ferns on Antarctica, this shows
That some ferns can survive temperatures well below freezing
That humans put ferns on Antarctica millions of years ago
That Antarctica drifted from a warmer climate where plants could grow
That fossils can be formed in cold climates
How was Wegener's theory received by other scientists at the time?
They thought it was great
They did not accept it
What does the theory of continental drift state?
The continents were once joined in a super-continent and have moved over time
Continents are stationary and do not move
The Earth is broken into lithospheric plates that move due to convection currents
none of the above
We live on the ___.
Crust
Mantle
Outer Core
Inner Core
The crust is made of ___.
Metal
Liquid Rock
Solid Rock
Inner Core
The crust is ___.
One smooth shell
Divided into 12 plates
The mantle is made of ___.
Metal
Liquid Rock
Solid Rock
Semi-solid Rock
How have scientists learned about the mantle?
By drilling down to observe it directly
By taking special vehicles to visit the mantle
By observing pieces of the mantle that rose to Earth's surface
This layer is made of extremely hot metal
Crust
Mantle
Core
Earth has a magnetic field because of the liquid metal in the ____.
Crust
Mantle
Outer Core
Inner Core
Organize the Layers from the Surface to the Deepest.
Crust
Mantle
Outer Core
Inner Core
Match the layer to its composition.
Crust
Solid Rock
Mantle
Semi-Solid Rock
Outer Core
Liquid Metal
Inner Core
Solid Metal
Which layer represents the crust?
1
2
3
4
Which layer represents the mantle?
1
2
3
4
Oceanic crust is _____ than continental crust.
denser
less dense
A diagram of Earth's layers is provided. Which letter in the diagram identifies the layer scientists believe to be in a liquid state?
Location A
Location B
Location C
Location D
Match the types of energy.
Match the energy type with its picture.
Why was Alfred Wegener's continental drift hypothesis not accepted by the scientific community in the early 1900's?
People were dumb back then.
He did not have enough evidence.
He was not a scientist.
He could not explain what caused the continents to move.
Avery is building a model of Earth for a science project. Which of the following lists Earth's layers in order from outermost to innermost?
inner core, outer core, mantle, crust
mantle, outer core, inner core, crust
crust, mantle, outer core, inner core
