Vocabulary
What is energy?
THE ABILITY TO CAUSE A CHANGE IN MATTER
The faster the object is moving the more ______ _______ it has.
Kinetic energy
Which of the following is potential energy?
A ball has been batted
A rock sitting at the bottom of the hill
A piece of pottery on the edge of a high shelf
A hockey stick lying on the garage floor
GIVE ME AN EXAMPLES OF AN INSULATOR
COOLER
LUNCH PAL
COAT
DRY WOOD
REMEMBER!!!! AN ISULATOR IS ANYTHING THAT SLOWS DOWN THE MOVEMENT OF THERMAL ENERGY!!!!!!
Is light from a light bulb solar energy?
No it does not come from the sun
WHAT IS KINETIC ENERGY?
Energy of motion
What type of energy does a bow and arrow being shot have?
Potential and Kinetic Energy
Which activity uses the most energy?
Driving a car
Kicking a ball
Shouting to a friend
Solving a math problem
1 DRIVING A CAR
GIVE ME AN EXAMPLE OF A CONDUCTOR
COOKIE SHEET
COPPER
METAL SPOON
REMEMBER!!!!! A CONDUCTOR IS ANYTHING THAT ALLOWS THERMAL ENERGY TO MOVE THROUGH IT EASILY
What are the three ways heat can move through a system?
Conduction
Convection
Radiation
WHAT IS POTENTIAL ENERGY?
the energy an object has bc of its position/condition
what type of energy do batteries use?
Chemical energy
Which is a renewable source of energy?
Coal
Natural gas
Oil
Wind
4 WIND
One shed is made of metal. One shed is made of wood. What can you infer about the temperature inside each shed in summer and in winter. Explain.
The metal shed in the winter is cold and hot in the summer
The wood she is warm in the winter and cold in the summer
Because metal is a conductor and not an insulator so heat moves through metal more easily than wood
name the three fossil fuels
coal
oil
natural gas
WHAT IS ELECTIRC ENERGY?
ENERGY THAT COMES FROM AN ELECTRIC CURRENT
what type of energy does a TV use?
Electric
Light
Sound
Which of these causes the temperature of the air to rise?
Particles in the air move more slowly
Particles in the air move more quickly
Particles in the air lose kinetic energy
Particles in the air gain potential energy
2 PARTICLES IN THE AIR MOVE MORE QUICKLY
A calculator can run with or without a battery in the light. In the dark, it runs only with a battery. What kind of energy does this calculator need to run? How can you tell?
the calculator needs electric energy produced from either solar energy or chemical energy (from battery). I can tell because in the light it doesn't need the battery but in the dark it does.
give an example of an energy transfer.
See responses
WHAT IS CONVECTION?
THE TRANSFER OF THERMAL ENERGY THROUGH THE MOVEMENT OF A GAS OR LIQUID
What does the law of conservation of energy state?
Energy is never made nor destroyed but it can change forms
Why do some pots have a layer of copper on the bottom?
Copper is a good conductor of heat
Copper creates convection, which heats food
Copper increases the pots mechanical energy
Copper is an insulator that keeps food from burning
1 COPPER IS A GOOD CONDUCTOR OF HEAT
What are two ways that your school can conserve energy.
turn lights off
turn down heat
unplug things from outlets
what is an electric current?
the movement of electrons