SLO Post Review Practice #2 Question Preview (ID: 40019)


Part 2 Test Prep. TEACHERS: click here for quick copy question ID numbers.

What happens to the electricity as it flows through the closed circuit?
a) all of it is transferred into light energy
b) more energy leaves the bulb than what enters
c) the electricity is not important to the function of the bulb
d) some is changed into light and heat energy and some continues through the circuit

Burning logs in the fireplace produce both heat and light energy. The logs, before burning, were a source of
a) elastic potential energy.
b) chemical potential energy.
c) electrical potential energy
d) gravitational potential energy.

Electrical energy can be transformed into other types of energy. We often experience this transformation of energy in our everyday lives. The example that represents a transformation from electrical to sound energy is
a) fire burning
b) flashlight
c) car
d) television

Which of these would have the greatest potential energy?
a) A roller coaster at the top of a hill.
b) A roller coaster half-way up the hill.
c) A roller coaster half-way down the hill
d) A roller coaster at the bottom of the hill

On Halloween, you take a glow stick, crack the capsule inside and shake it until it glows. This is an example of light energy being created from ___________________ energy.
a) chemical
b) mechanical
c) solution
d) thermal

A box slides from the top of a ramp to the bottom, its maximum potential energy is located
a) at the top
b) at the bottom
c) equal at all locations.
d) at the exact middle of the ramp

Maria went for a walk by a pond. Which object did she see on that walk that gave off heat to keep her warm?
a) flowers
b) the sun
c) birds singing
d) the pond water

Which does not represent an example of chemical energy?
a) batteries
b) food
c) gasoline
d) sunlight

As a roller coaster goes downhill
a) kinetic energy is converted into potential energy
b) potential energy is converted into kinetic energy.
c) electrical energy is converted into potential energy
d) potential energy is converted into electrical energy.

Jan’s teacher showed the class a mirror, a lit flashlight, a burning candle, a thick scarf, a wool mitten, and a sparkly sticker. Jan’s group observed the objects and made a list of those that give off heat. Why did they give off heat?
a) They sparkle.
b) They produce light.
c) They are insulators.
d) You wear them to keep warm

How does a wind turbine produce electricity?
a) Energy from the Sun turns the rotor blades that turn the generator to produce electricity.
b) Heat reflected from mirrors turn the rotor blades that turn the generator to produce electricity.
c) Flowing Water turns the rotor blades that turn the generator to produce electricity.
d) Moving air turns the rotor blades that turn the generator to produce electricity.

The light bulb converts electrical energy into light and _________.
a) chemical
b) electromagnetic
c) heat
d) nuclear

A book is resting on a table. The book has
a) kinetic energy only.
b) potential energy only.
c) both kinetic and potential energy
d) neither kinetic or potential energy.

Identify which best describes the energy used to pluck guitar strings to make sound.
a) electricity
b) electromagnetic
c) heat
d) mechanical

Electrical energy can be transformed into other types of energy. We often experience these changes of energy in our everyday lives. Which example is a transformation from electrical energy to light energy?
a) boat motor
b) flashlight
c) burner on a stove
d) solar panels

Jenna made an electric circuit as seen in the picture. She placed a thermometer near her light bulb. After the light bulb was turned on for an hour, what did she MOST LIKELY observe?
a) The bulb glowed brighter over time.
b) The temperature in the thermometer went up.
c) The temperature in the thermometer went down
d) Both the light and temperature remained the same over time

A battery uses _________________ energy to generate _______________ energy.
a) chemical, electrical
b) chemical, mechanical
c) electrical, chemical
d) electrical, mechanical

A generator converts mechanical energy into _____________________ energy.
a) chemical
b) electrical
c) light
d) sound

A Solar powered car converts _______________ energy into _________________ energy.
a) light, chemical
b) light, mechanical
c) mechanical, light
d) electrical, mechanical

Bradley is standing on the top of a mountain holding a soccer ball. Which of these best describes what happens when he throws the ball over the edge?
a) The kinetic energy increases and so does the total amount of energy.
b) The kinetic energy decreases and the total amount of energy increases.
c) The potential energy decreases and the total amount of energy also decreases.
d) Both the kinetic and potential energy change, but the total energy remains constant.

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