Fast process of heated molecules moving and carrying heat

2 cups, 1 plastic & 1 styrofoam, both hold hot tea.Styrofoam keeps the tea hot longer because.

Air bubbles in the styrofoam make it a better insulator

The three main energy sources in Sweden are...

Nuclear, Hydropower, Wind power

Heat energy transfered in the form of waves

Explain the difference between renewable and non-renewable

Renewable can b used 4ever or recycled Non-renewable can't.

2 snowmen. 1 has a jacket the other doesn't.When temp rises jacket snowman melts slower.Why?

The jacket is an insulator so the air heats the snowman less

Transfer of heat between two objects in direct contact

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Year 6 Physics Review

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Physics review on energy, energy conversion, sources of power, and heat exchange.

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Questions 20

Answers

1
Convection is...
Fast process of heated molecules moving and carrying heat
Stored energy
Energy in motion
Movement of electrons
2
Good things about renewable energy
No greenhouse gas emissions
Can be used again or forever (its renewable)
All of the above
No risk of oil and gas spills, mining damage, or radiation
3
What is the main useful energy transfer that happens in cars
Kinetic to chemical
Chemical to kinetic
Potential to sound
Kinetic to heat
4
When a spoon gets hot in tea because the heat transfers from the tea to the spoon this is...
Delicious
Conduction
Radiation
Convection
5
Which of these things CAN happen to energy
Created
Destroy
Converted (Changed)
Wambo
6
Which type of device would convert electrical energy into sound energy
A car
A speaker
A microphone
An amplifier
7
What is the main source of energy transfer in a catapult as shown in the picture?
Elastic potential to heat
Gravitational potential to kinetic
Elastic potential to sound
Elastic potential to Kinetic
8
Hot tea moving around a kettle and carrying heat with it is an example of..
Fika
Convection
Radiation
Conduction
9
2 cups, 1 plastic & 1 styrofoam, both hold hot tea.Styrofoam keeps the tea hot longer because.
Air bubbles in the styrofoam make it a better insulator
The styrofoam cup is thicker
The plastic cup is weak
The tea must have been cooler in the plastic cup to start
10
Kinetic energy is
A battery
Movement energy
A parked car
Stored energy
11
What is the unit for energy
Joules
Amperes
Meters
Watts
12
The three main energy sources in Sweden are...
solar, chemical, and light
Coal, oil, and natural gas
Nuclear, Hydropower, Wind power
Biofuels, fossil fuels, and human batteries
13
When the sun warms your face with waves of heat this is...
Conduction
Radiation
Convection
Sun-bathing
14
Heat radiation is
Heat energy transfered in the form of waves
Stored energy
Energy in motion
Movement of electrons
15
Explain the difference between renewable and non-renewable
Renewable is bad for the environment. Non-renewable isn't.
Renewable can b used 4ever or recycled Non-renewable can't.
Non-renewable can b used 4ever or recycled. Renewable can't
You have to burn things 4 non-renewable but not 4 renewable
16
What energy transfer happens in many musical instruments
Sound to kinetic
Electrical to kinetic
heat to light
Kinetic to sound
17
The movement of electrons to create energy is
Chemical energy
Radiation
Electricity
Heat
18
2 snowmen. 1 has a jacket the other doesn't.When temp rises jacket snowman melts slower.Why?
The jacket cools the snowman.
The jacket acts as an insulator which keeps the cool air in.
The jacket is an insulator so the air heats the snowman less
The jacket heats the air.
19
Conduction is...
Transfer of heat between two objects in direct contact
Transfer of heat in waves
Energy stored in bonds of chemicals
Energy in motion
20
Movement energy is also called
Kinetic
Chemical potential energy
Heat energy
Gravitational potential energy

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