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What is the ability to cause a change in matter?energy
What is the measure of how much work something can produce?energy
Using force to move an objectWhat is work? Using force to move an object
Why is energy not a type of matter?Matter: Solid, liquid, gas Energy: Ability to move matter around
Law of Conservation of EnergyWhat law states that energy can never be made or destroyed, but it can change forms? Law of Conservation of Energy
What do people use energy for?Use the energy stored in food to move, to talk, and even to sleep
What is kinetic energy? Energy in motion
Give an example of kinetic energy.Airplane flying Person riding a bike
What is potential energy?Energy an object has because of its condition or position (stored energy)
Give an example of potential energy.A ball sitting on a desk waiting to fall A book on a shelf waiting to fall
When can something have both kinetic and potential energy?As a book falls from the shelf, it loses potential energy and gains kinetic energy
What is the movement of energy from one place or object to another?Energy transfer
Give an example of transferring energy?Throwing a basketball from yourself to your teammate, and then this person dribbles the ball.
What is energy that comes from the Sun?Solar Energy
What does “solar” mean? “of the sun”
When do people use solar energy?Solar-powered calculators
Energy from the Sun travels as ____________.radiation
What are the two types of radiation?Light- We can see Heat- We can feel
What would Earth be like without solar energy?Ball of frozen rock with no life
How is solar energy useful?Electricity for some buildings Heat water (swimming pools and home showers)
What are problems with solar energy?expensive Many places do not have enough sunny days
What is energy stored in fuel called?Chemical energy
How can it be released, and what is it when it is not being used?By a chemical reaction (like burning) When it is not being used it is potential energy
Give an example of a chemical reaction.Burning wood
What energy is the combination of all the potential and kinetic energy that something has?Mechanical energy
Give an example of mechanical energy.Helicopter moving- Kinetic Energy Fuel in tank- Chemical Energy, which is potential The combining of both causes mechanical energy
Electrical energy ElectricityWhat energy comes from an electric current? What is another name for it? Electrical energy Electricity
Give an example of electrical energy.
What is energy in the form of vibrations that travel through matter?Sound energy
Give an example of sound energy.Placing hands on radio and feeling the vibrations Feeling the vibrations of sounds with their feet
What is thermal energy? Heat energy
What is the transfer of thermal energy between objects with different temperatures?Heat
How does thermal energy travel?From warmer objects to a cooler object
What is transferred when you hold a hot mug?Thermal energy goes from cup to your hand
What is lost from the same mug when you hold it?Energy is lost in the mug and transferred to your hands.
What is the measurement of the average kinetic energy of all the particles in a substance?Temperature
What is the most common way to produce heat by rubbing things together?Friction
Give an example of friction.Rubbing your hands together Slamming on the car’s brakes
What is a set of parts acting together as a whole object?System
Give an example of a system.A burner, a pot, and water are a system that produces thermal energy.
What is transfer of thermal energy from one object directly into another?conduction
Give an example of conduction.Holding a hot mug
What is the transfer of thermal energy through the movement of a gas or a liquid?convection
Give an example of convection.A pot of boiling water
What is the transfer of energy by waves that move through matter and space?radiation
Give an example of radiation.Radiation from the Sun
What doesn’t radiation need that conduction and convection need?Matter for heat to travel through
What does conduction require?Two objects must be in contact
What does convection require?Requires a gas or a liquid
Heat or light bounces off an objectWhat is reflection? Heat or light bounces off an object
What is anything that slows the movement of thermal energy?insulators
What is anything that allows thermal emery to move through it easily called?conductors
Why is the handle on a spoon in a glass of hot coffee extremely hot and the foam cup is not very hot at all? Spoon: Metal and good conductor of heat Foam Cup: Insulator of heat
What is the best conductor of heat?metal
Is a solid, liquid, or gas the easiest to transfer energy?
What is the poorest thermal conductor of heat?Gases
What is hydroelectric energy?Moving water that can spin to make electricity- Hoover Dam
What are fossil fuels and give some examples.Fuels that formed from the remains of once-living things Coal, oil, and natural gas
What are the remains or traces of past life, and it is found in sedimentary rock?Fossils
What is any material that can be used to satisfy a need?Resource
Nonrenewable resourceWhat is a resource that, once used up, cannot be replaced within a reasonable amount of time? Nonrenewable resource
Give an example of a nonrenewable resource.Oil, coal, natural gas
What is using less of something to make the supply last longer?conservation
Give an example of conservation.Using less hot water Less electricity
What is a resource that can be replaced within a reasonable amount of time?Renewable resource
Give an example of a renewable resource.Solar Energy (Sun) Wind
What is anything that dirties or harms the environment?pollution
What are some forms of air pollution?When coal, oil, and natural gas are burned, the gases are released into the atmosphere.
Wind turns windmills which generate electricityWhat is wind energy? Wind turns windmills which generate electricity Bowling Green
What are the pros and cons of wind energy?Pros: No pollution Cons: Costly and take up large areas of land
What is energy? Energy is defined as; the ability to do work or cause a change. Energy occurs in many forms and is used in our everyday lives. It can be.
Energy and Transformation of Energy. Energy Definition The ability to do work. How do we use energy? Energy comes from heat, chemicals, electricity, fossil.
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