Energy Unit Test Review
10 months ago
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  • Question 1
    30 seconds
    Q. Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
    answer choices
    Chemical to light
    Electrical to chemical
    Electrical to light
    Chemical to electrical
  • Question 2
    30 seconds
    Q. Which of the following shows an energy transformation from chemical energy to electrical to light energy?
    answer choices
    A bolt of lightning lights the night sky.
    A candle glows brightly in the dark.
    A fire in a fireplace lights up a room.
    A battery causes a flashlight to shine.
  • Question 3
    30 seconds
    Q. What energy transformations take place when a battery-operated radio is in use?
    answer choices
    Electrical to chemical to light
    Sound to chemical to mechanical
    Chemical to electrical to sound
    Light to electrical to thermal
  • Question 4
    30 seconds
    Q. People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
    answer choices
    mechanical to thermal to electrical
    chemical to mechanical to thermal
    mechanical to chemical to sound
    chemical to sound to electrical
  • Question 5
    30 seconds
    Q. Which of the following devices transforms electrical energy into mechanical energy?
    answer choices
    An e-reader
    a fan
    a manual pencil sharpener
    ipod
  • Question 6
    30 seconds
    Q. Has a definite shape and volume
    answer choices
    Solid
    Crystalline Solid
    Viscosity
    Surface Tension
  • Question 7
    30 seconds
    Q.

    Has a definite volume but no definite shape.

    answer choices

    Liquid

    Solid

    Gas

    Fluid

  • Question 8
    30 seconds
    Q. Is the change of a substance from a liquid to a gas.
    answer choices
    Melting
    Boiling
    Evaporation
    Condensation
  • Question 9
    60 seconds
    Q. What kind of heat transfer happens when the sun is heating your body?
    answer choices
    Conduction
    Radiation
    Convection
    Density
  • Question 10
    60 seconds
    Q. Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
    answer choices
    conduction
    convection
    radiation
  • Question 11
    60 seconds
    Q.

    The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?

    answer choices

    conduction

    convection

    radiation

    Insolation

  • Question 12
    30 seconds
    Q. Warm air is __________ dense than cold air and rises creating convection currents.
    answer choices
    more
    less
  • Question 13
    30 seconds
    Q. Near the ceiling of a room the air is warmer.  The warm air rises because of
    answer choices
    conduction
    convection
    radiation
  • Question 14
    30 seconds
    Q. A huge rock at the state park gets so hot during the day because of
    answer choices
    conduction
    convection
    radiation
  • Question 15
    20 seconds
    Q. Which of the following terms identifies the change from a liquid to gas?
    answer choices
    Vaporization
    Condensation
    Deposition
    Sublimation
  • Question 16
    30 seconds
    Q. When the temperature of matter increases the particles...
    answer choices
    speed up and move closer
    speed up and move farther apart
    slow down and move closer together
    slow down and move farther apart
  • Question 17
    30 seconds
    Q. Phase change from a solid to a gas.
    answer choices
    sublimation
    deposition
    condensation
    evaporation
  • Question 18
    30 seconds
    Q. Phase change from a solid to a liquid.
    answer choices
    melting
    sublimation
    boiling
    condensation
  • Question 19
    30 seconds
    Q. Phase change from a liquid to a gas that only happens at the surface.
    answer choices
    evaporation
    boiling
    sublimation
    melting
  • Question 20
    30 seconds
    Q. When the temperature of matter decreases the particles ...
    answer choices
    speed up and move farther apart
    speed up and move closer together
    slow down and move farther apart
    slow down and move closer together
  • Question 21
    30 seconds
    Q. Phase change from a gas to a liquid.
    answer choices
    condensation
    evaporation
    melting
    deposition
  • Question 22
    60 seconds
    Q. The opposite phase of melting is 
    answer choices
    freezing 
    sublimation
    condensation 
    deposition 
  • Question 23
    60 seconds
    Q. On a roller coaster, where is maximum kinetic energy?
    answer choices
    At the bottom of a big hill
    When going around a corner
    When going upside down
    At the top of a big hill
  • Question 24
    120 seconds
    Q. The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
    answer choices
    solar
    light
    thermal
    mechanical
  • Question 25
    45 seconds
    Q. The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
    answer choices
    insulation.
    Radiation
    Conduction
    Convection
  • Question 26
    45 seconds
    Q. In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
    answer choices
    Hotter to colder
    Colder to hotter
    Hotter to hotter
    Colder to colder
  • Question 27
    45 seconds
    Q. Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?
    answer choices
    Their thermal energies remain the same.
    Thermal energy passes from the cooler object to the warmer object
    Thermal energy passes from the warmer object to the cooler object.
    Thermal energy passes back and forth equally between the two objects.
  • Question 28
    45 seconds
    Q. The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of
    answer choices
    Convection
    Conduction
    Radiation
    insulation.
  • Question 29
    45 seconds
    Q. Which situation best represents convection?
    answer choices
    Heat from a campfire
    A hot air balloon taking off
    Touching a hot piece of metal
    Getting sunburned
  • Question 30
    20 seconds
    Q. Which of the following terms identifies the change from a liquid to solid?
    answer choices
    Melting
    Condensation
    Vaporization
    Freezing
  • Question 31
    30 seconds
    Q. Which of the following has the longest wavelength?
    answer choices
    Gamma rays
    Visible light
    Ultraviolet
    Radio waves
  • Question 32
    30 seconds
    Q. As heat energy increases, the motion of molecules,
    answer choices
    increases
    decreases
    remains the same
  • Question 33
    30 seconds
    Q. A spinning pinwheel is held above a lit candle. Which energy transformation is taking place?
    answer choices
    Heat to mechanical
    Sound to heat
    Mechanical to light
    Heat to sound
  • Question 34
    30 seconds
    Q. A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules:
    answer choices
    gain heat energy and condense
    gain heat energy and evaporate
    lose heat energy and condense
    lose heat energy and evaporate
  • Question 35
    30 seconds
    Q. Which sequence of energy transformations occurs after a battery-operated flashlight is turned on?
    answer choices
    electrical --> light --> chemical
    electrical --> chemical --> light
    chemical --> light --> electrical
    chemical --> electrical --> light
  • Question 36
    30 seconds
    Q. Which observation would be evidence that the water is undergoing a phase change?
    answer choices
    Waves form on the top of a pond.
    Water socks into wet sand
    Water splashes out of a swimming pool
    The water level in a class of water decreases
  • Question 37
    30 seconds
    Q. A television set changes electrical energy to sound and light energy. In this process, some energy is:
    answer choices
    created
    destroyed
    changed to matter
    changed to heat
  • Question 38
    30 seconds
    Q. Which of the following has the shortest wavelength?
    answer choices
    Gamma rays
    Visible light
    Ultraviolet
    Radio waves
  • Question 39
    60 seconds
    Q. The roller coaster cart has the most gravitational potential energy at position,
    answer choices
    W
    X
    Y
    Z
  • Question 40
    45 seconds
    Q. The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.
    answer choices
    Convection
    Conduction
    Radiation
    insulation.
  • Question 41
    45 seconds
    Q. ___________________ is the type of heat transfer that occurs in fluids and in the process of warm air rising and cold air sinking.
    answer choices
    Convection
    Conduction
    Radiation
    insulation.
  • Question 42
    45 seconds
    Q. Which statement is true?
    answer choices
    The quicker a molecule moves, the colder it is.
    The slower a molecule moves, the warmer it is.
    The quicker a molecule moves, the warmer it is
    The movement of a molecule does not affect its temperature
  • Question 43
    45 seconds
    Q. Heat from warm sand at the beach moves through the atmosphere by what method of heat transfer?
    answer choices
    Convection
    Conduction
    Radiation
    insulation.
  • Question 44
    60 seconds
    Q. Marcie played with her friends out in the cold, cloudy weather, wearing her wool hat. After the group had finished building snowmen and having snowball fights, Marcie went back inside to warm up and drink some hot chocolate. When she took her hat off, she realized that it was very warm. What happened?
    answer choices
    The radiant energy from the sun warmed up her hat and the hat kept that heat from the sun.
    Her hat was warm because wool fabric is warmer than other fabrics.
    The humidity outside made her hat warm.
    Conduction between Marcie's warm body and the hat occurred and the hat remained warm because it is an insulator.
  • Question 45
    60 seconds
    Q. Students in a science class performed an experiment with hot and cold water. They dyed the hot water red and the cold water blue. When the students layered the water, they noticed that the hot water rose to the top and the cold water sank. What was this demonstrating?
    answer choices
    Radiation
    Air Pressure
    Evaporation
    Density differences
  • Question 46
    45 seconds
    Q. Which of the following is NOT a conductor?
    answer choices
    oven mitt
    curling iron
    iron skillet
    copper pipe
  • Question 47
    45 seconds
    Q. A large house being heated by heater warms a house when the air is circulating through
    answer choices
    Convection
    Conduction
    Radiation
    insulation.
  • Question 48
    30 seconds
    Q. The candle will slowly heat the metal and transfer the heat directly to the mans hand through
    answer choices
    conduction
    convection
    radiation
  • Question 49
    30 seconds
    Q. Which state of matter has tightly packed molecules with a definite volume and shape?
    answer choices
    solid
    liquid
    gas
    plasma
  • Question 50
    30 seconds
    Q. Which state of matter has molecules that move quickly and do not stay together?  They do not form any pattern.
    answer choices
    solid 
    liquid 
    gas
    plasma
  • Question 51
    30 seconds
    Q. Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.
    answer choices
    solid
    liquid
    gas
    plasma
  • Question 52
    60 seconds
    Q. The measure of the amount of matter in an object
    answer choices
    mass
    area
    matter
    volume
  • Question 53
    60 seconds
    Q. The amount of space an object takes up
    answer choices
    mass
    volume
    buoyancy
    matter
  • Question 54
    30 seconds
    Q. All changes in the state of matter of a substance requires
    answer choices
    vibration
    water
    permission
    energy
  • Question 55
    30 seconds
    Q. What is sublimation?
    answer choices
    phase change between solid and liquid
    phase change from gas to solid
    phase change from solid to gas
    phase change from solid to solid
  • Question 56
    30 seconds
    Q. What is labeled "B" on the graph?
    answer choices
    solids
    liquids
    gases
    a phase change
  • Question 57
    30 seconds
    Q. What phase of matter is illustrated by letter "C"
    answer choices
    solid
    liquid
    gas
    melting
  • Question 58
    30 seconds
    Q. What phase of matter is illustrated by letter "A"
    answer choices
    solid
    liquid
    gas
    melting
  • Question 59
    30 seconds
    Q. What phase of matter is illustrated by letter "E"
    answer choices
    solid
    liquid
    gas
    melting
  • Question 60
    30 seconds
    Q. What is happening at "D" on the graph?
    answer choices
    water is melting
    water is evaporating
    water is freezing
    water is going through sublimation
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