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Science > Energy And Waves > Flashcards

Energy And Waves Flashcards

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1
Q

Describe kenitic energy

A

Energy for to and objects motion

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2
Q

Describe light energy

A

The energy of waves that travel from bright objects

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3
Q

Describe heat energy

A

Energy caused by vibration of particles

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4
Q

Describe sound energy

A

Energy produced by vibrating objects such as speakers and bells

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5
Q

Describe electric energy

A

Energy produced due to the movement of electrically charged particles, found in waves

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6
Q

Describe magnetic energy

A

Energy stored when magnetic objects are about to move because of attraction or repulsion

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7
Q

Describe gravitational potential energy

A

Energy stored when an object is night and has the potential to fall

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8
Q

Describe chemical potential

A

Energy stored in the bonds between atoms and compounds

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9
Q

Describe Elastic potential energy

A

Energy stored in stretched or squashed object

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10
Q

Describe nuclear energy

A

Energy stored in the nucleus of an atom

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11
Q

What speed does light waves travel at

A

299 792 458 m / s

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12
Q

What speed does sound waves travel at

A

343 m/s

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13
Q

What type of wave is a light wave

A

Transverse

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14
Q

Can light waves travel through a vacuum

A

YES

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15
Q

What type of wave is a sound wave

A

LONGITUDINAL

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16
Q

Can sound waves travel through a vacuum

A

NO

17
Q

Define conduction

A

The process by which heat is transferred from the hotter end to the colder end of an object

18
Q

Define Convention

A

The movement caused by within a fluid by the tendency of hotter therefore less dense material to rise, and colder, denser material to sink under the influence of gravity

19
Q

Define radiation

A

The transmission of energy in the form of infrared waves

20
Q

Name the parts of an eye

A

Iris, lens, cornea, retina, optic nerve

21
Q

Explain how shadow is formed

A

A shadow is formed when a opaque blocks light from a light source such as the sun or a lamp as the light hits the object it cannot pass through creating a dark area on the surface behind the object which is a shadow

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