Flashcards
KS3 Physics
Flashcards do conjunto (16)
- 1KS3 Physics Year 7Energy resources
Electrical Circuits
Forces - 2What is potential energy?stored energy
- 3What is energy measured in?joules
- 4What are fossil fuels?fossil fuels are dead, rotting animals or plants found underground used for energy
- 5What is the difference between renewable and nonrenewable energy?Renewable energy can be reused endlessly but nonrenewable energy eventually runs out.
- 6Where do all forms of energy originate?The sun
- 7What is current?the number of electrons, measured in amps.
- 8What does adding more cells to the circuit do?increases the voltage and makes the bulb(s) brighter
- 9What are the advantages of a parallel circuit?If one cell breaks the others will still function
- 10What is voltage?The amount of energy the electrons carry.
- 11What is a fuse?a small safety tube in a circuit that slows the energy down
- 12Why is gravity less on the moon?because it is smaller in size
- 13What is friction?two surfaces rubbing against each other
- 14What is air resistance?the force opposite the direction an object is moving
- 15What are lubricants?smooth surfaces that reduce friction
- 16What is the resultant force?the difference between the amounts of force on opposite sides of something moving, if the forces on opposite sides are equal the resultant force is 0
Informações
- Descrição
- Year 7 Physics Energy Electricity Forces
- Criado por
- Laila Al-Refai · jun 2019
- Atualizado
- 8 jun 2019
- Visualizações
- 58
- Tags
- Avaliação