NST term 3 Flashcards

1
Q

what is energy?

A

energy is what makes things happen, move or change.

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2
Q

why do we need energy?

A

to LIVE and for EVERYTHING we do

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3
Q

what do living things use energy for?

A

to grow, breath, move and feed

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4
Q

what is a source of energy?

A

something that we get energy from

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5
Q

where does the energy in our food come from?

A

from the SUN.
plants use the sun’s energy to make their own food; some of that food is stored in their bodies. plants then provide food for animals and people.

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6
Q

how does your body get energy?

A

food (from plants and animals) is the source of energy for your body. energy is stored in food.
food is broken down so that we can use the energy

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7
Q

what is an omnivore?

A

animals that eat meat (other animals) and plants

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8
Q

what is a carnivore?

A

animals that only eat meat (other animals)

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9
Q

what is a herbivore?

A

animals that only eat plants

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10
Q

what is the transfer of energy

A

the process by which energy goes from one part of a food chain to anther
or changes from one type of energy to another

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11
Q

what is a system

A

something that has 2 or more parts working together to make something happen

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12
Q

what is the output energy?

A

the energy that comes out of a system

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13
Q

what input energy does an electrical appliance use?

A

electricity from batteries or mains electricity

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14
Q

what are percussion instruments?

A

musical instruments that make sound by striking/beating, scraping or shaking

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15
Q

what are string instruments

A

musical instruments that make sound with strings

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16
Q

what are wind instruments

A

instrument that you play by blowing air into

17
Q

what does vibrate mean?

A

to move backwards and forwards with small and fast movement

18
Q

what does unique mean

A

it is different to any thing else

19
Q

what is a sinew ?

A

a thick band of strong material in your body that joins a bone to a muscle

20
Q

name 4 types of energy

A

sound, light, heat and movement energy

21
Q

what sources of energy do humans use that were stored in plants/animals long ago?

A

wood, coal, crude oil, natural gas

22
Q

what is input energy?

A

the energy that goes into a system to make it work

23
Q

what type of energy do most musical energy use?

A

movement energy - vibrations caused by blowing, hitting, shaking , plucking

24
Q

what does indigenous mean?

A

Something is indigenous to a place was designed, made and used in that place