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Energy Questions
Test questions concerning Energy
| Question | Answer |
|---|---|
| Where does a rollercoaster have the greatest amount of potential energy? | Highest peak |
| The amount of kinetic energy an object has depends in its | Mass and Speed |
| At a commercial power plant, water is heated to make steam, that turns the turbine that spins the ____________________ that makes the electric current that goes to homes and businesses. | Generator |
| Name two renewable or inexhaustible energy sources. | Solar, Wind, Geo-thermal |
| Solar power or light energy is also called ____________________ energy. | Radiant energy |
| Explain the difference between nonrenewable energy resources and inexhaustible energy resources. | Nonrenewable: can't be replaced in a timely manner Inexhaustible: will never run out |
| The Law of Conservation of Energy says energy cannot be created or destroyed., but it can be ____________________ from one form to another. | Transformed |
| Name three examples of fossil fuels | Coal, Oil, Natural gas |
| A flashlight transforms ____________________energy from the batteries into electrical energy and then into radiant energy. | Chemical |
| The amount of ____________________energy an object has depends on its mass and its position, usually its height. | Potential |
| Maxine put some baking soda into a beaker, then added a few drops of pickle juice to the baking soda. She observed bubbling and fizzing. Based on her observation, what can Maxine determine about the new substance formed in the beaker? | A chemical reaction produced a gas |
| What do the letters C and O stand for in the chemical formula CO2? a) elements b) mixtures c) compounds d) molecules | Elements |
| A clear liquid is mixed with a blue liquid in a beaker. The result is a blue liquid and a blue solid that sinks to the bottom of the beaker. This shows that a new substance was created because | the mixing produced a precipitate. |
| Magnesium chloride reacts with sodium to produce sodium chloride and magnesium. Sodium is classified as | an element |
| An energy source that is used up much faster than it can be replaced is a/an _______________ resource. | Non-renewable |
| Nuclear energy | comes from the nuclei of uranium atoms. |
| During photosynthesis, a green plant uses _________________ energy from the Sun to produce food. | Radiant |
| The potential energy of an object depends on its _________________ and its _____________________. | Mass and Height |
| The kinetic energy of an object depends on its ____________________ and its ____________________. | Mass and Speed |
| _____________________ is the ability to cause change. | Work |
| A photovoltaic converts _______ energy. | Radiant to electrical |
| The form of energy in fossil fuels is ______ energy. | Chemical |
| Most power plants use a _____________ to turn a generator. | Turbine |
| A burning fire produces _______ energy. | Radiant and thermal |
| A blimp flying around over the Super Bowl has ________ energy | Kinetic |
| True/False As you decrease the velocity of a car, you increase its kinetic energy | False |
| True/False A heated iron has chemical energy | False |
| True/False The biggest source of energy on Earth is radioactive atoms | False |
| Name the type of energy: flame of a candle | Thermal Energy |
| Name the type of energy: wall socket | Electrical Energy |
| Name the type of energy: moving ball | Kinetic Energy |
| Name the type of energy: an object about to fall | Potential Energy |
| Name the type of energy: electric mixer in use | Electrical Energy |
| Name the type of energy: bonds between protons | Nuclear Energy |
| Name the type of energy: heated oven | Thermal Energy |
| Name the type of energy: mug of hot chocolate on a table | Thermal Energy |
| Name the type of energy: food | Chemical Energy |
| Name the type of energy: fossil fuels | Chemical Energy |
| Name the type of energy: an airplane taking off | Kinetic Energy |
| List the correct steps for electrical generation in a coal power plant? | Burn the coal to boil the water, to make the steam, to turn the turbine, to spin the generator. |
| When operating a wind up toy, which of the following transformations occurs? | mechanical to kinetic |
| The Law of Conservation of Energy states | Energy is never created or destroyed; it only changes form. |
| During the photosynthesis process, _________ energy from the sun is converted into _________ energy in the plant. | radiant, chemical |
| An advantage of nuclear energy? | Creates a large amount of energy; No air pollution |
| A resource that can be replaced | Renewable |
| Energy created using the temperature of the earth | Geothermal |
| Resources that are used faster than they can be replaced | Non-renewable resources |
| Energy resources that will never run out | Inexhaustible resources |
| Energy created using water in a dam | Hydroelectric Energy |
| As you increase the _________and/or___________ of an object, you increase its kinetic energy. | Mass, Speed |
| Coal, oil, and natural gas are examples of __________________. | Fossil fuels |
| The _______________ is the largest source of energy on Earth. | Sun |
| A photovoltaic cell converts _______________energy into ______________ energy. | Radiant, Electrical |
| A lamp uses electrical energy that is transformed into_________________ energy. | Radiant |
| True/False The turbine of a power plant is the component that makes the electricity. | False |
| True/False The human body uses nuclear energy when using the muscles to do work. | False |
| True/False Kinetic energy depends on the height and mass of an object. | False |
| True/False Potential energy depends on the speed and height of an object. | False |
| True/False An ice-cream cone has more thermal energy than a cup of hot chocolate. | False |
| Types of Energy: Hot iron | Radiant Energy |
| Types of Energy: Used to make a TV come on | Electrical Energy |
| Types of Energy: Light from a fire | Thermal Energy |
| Types of Energy: In a battery | Chemical Energy |
| Types of Energy: In the bonds of the center of a helium atom | Nuclear Energy |
| What can convection occur in? | Gasses and liquids. |
| What is Convection? | Transfer of heat in liquids and gasses through currents. |
| What is Conduction? | Transfer of heat by direct contact between particles |
| What is Radiation? | Transfer in heat by electromagnetic waves. |
| What is the source for all energy in our atmosphere | The sun. |
| How does energy from the sun reach the Earth? | Radiation. |
| What does convection play a role in? | Heating after radiation and conduction. |
| What happens as cold air becomes more dense? | It pushes up warmer air creating a convection current. |
| What do convection currents drive? | Weather Patterns and ocean currents. |
| What is 1 example of conduction? | A metal spoon gets hot in a pot of boiling water. |
| What is 1 example of Convection? | Water in a heated pot begins to boil. |
| What is 1 example of Radiation? | Toes are warmed in front of a space heater. |
| What can radiation pass through? | Space. |
| What is Heat? | Transfer of energy from objects with a high temp. to objects with a lower temp. |
| What is direct contact between two objects? Conduction. | Conduction. |
| What can convection occur in? | Gasses and liquids. |
| What can radiation pass through? | Space. |
Created by:
Jerry.Reese23
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