An ice cube is placed in hot water. What happens to the temperature of the water and the ice?

The water gets colder and the ice gets warmer.

Some of the letters look different because light:

Bends as it passes through the marble

Why do we use electric wire coated with plastic?

To insulate the wire from people or objects in the house

The picture shows something you might use. In order to work, it must be plugged into an outlet

Electrical energy into heat energy

Your sister hooks up her iPod to a speaker. Which energy conversion happens in the speaker?

Electrical energy to sound energy

studbud

Big Idea 10 and 11 Review

23 termsStudBud Administration729 plays

#PhysicalScience

Flashcards23 cardsFPractice quizPHost liveL

Questions 23

Answers

1
Comes from any source of light, like a light bulb, a TV screen, or the Sun.
wind energy
light energy
thermal energy
solar energy
2
Which of the following best explains why the rubber band makes a sound when Jennifer plucks it?
It releases molecules into the air.
It absorbs energy from the air.
It heats the air.
It vibrates the air.
3
Which of the following is something that energy cannot do?
Change into another form of energy
Cause an object to move
Change an object’s temperature
Be completely used up
4
What type of energy does a thermometer measure?
chemical
thermal
electrical
light
5
An ice cube is placed in hot water. What happens to the temperature of the water and the ice?
The water gets colder and the ice gets warmer.
Both the water and the ice will get warmer.
The water gets hotter and the ice gets colder.
Both the water and the ice will stay the same temperature.
6
Objects can lose thermal energy. Which describes an object losing some thermal energy?
Water freezing into ice
Eggs cooking in a pan
Snow melting at the top of a mountain
A ball bouncing on the floor
7
Which of the following converts electrical energy into energy of motion?
light switch
electric fan
light bulb
electric stove
8
When electric current flows through the metal filament of a bulb, electrical energy is changed
to light energy only
to light and motion energy
to heat and light energy
to heat energy only
9
What two forms of energy does the fire from a burning candle release?
sound and mechanical
magnetic and light
light and thermal
electrical and thermal
10
Which material will allow electricity to flow between the battery and the light bulb?
copper wire
cotton string
wooden rod
rubber tube
11
Some of the letters look different because light:
Shines less brightly behind the marble
Bends as it passes through the marble
Bounces as it reaches the marble
Changes color as it enters the marble
12
Why do we use electric wire coated with plastic?
To help carry the electric current through the circuit
To make the wire more flexible than the metal by itself
To indicate when current is flowing through the wire
To insulate the wire from people or objects in the house
13
To bounce back light.
refract
bend
absorb
reflect
14
To push apart.
repel
reflect
attract
absorb
15
To pull each other together.
refract
bend
attract
repel
16
To take in light.
refract
reflect
absorb
bend
17
A good conductor of heat is:
paper
plastic
cloth
metal
18
The picture shows something you might use. In order to work, it must be plugged into an outlet
Electrical energy into sound energy
Heat energy into motion energy
Electrical energy into heat energy
Motion energy into heat energy
19
Is the energy of moving things.
potential energy
thermal energy
mechanical energy
wind energy
20
Your sister hooks up her iPod to a speaker. Which energy conversion happens in the speaker?
Electrical energy to sound energy
Heat energy to sound energy
Mechanical energy to sound energy
Electrical energy to mechanical energy
21
When you ride your bike uphill, where does the energy you use come from?
From the food you eat
From the push of the ground on the bicycle
From the pull of gravity on you and the bicycle
From the exercise you do
22
Is produced when an object vibrates.
chemical energy
nuclear energy
sound energy
potential energy
23
If the amount of force being exerted on an object is ______, it will not move.
unbalanced
rough
balanced
heavy

Big Idea 10 and 11 Review Flashcards | StudBud