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LDK Gr 4 Nat Sci T3 T4 > Energy from the Sun > Flashcards

Energy from the Sun Flashcards

1
Q

What happens as organisms are eaten?

A

Energy is used.

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2
Q

Why do we need energy?

A

We need energy for everything we do, like grow, play and sleep.

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3
Q

Where do we get our energy from?

A

We get our energy from the food we eat.

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4
Q

Why is the sun so important?

A

All energy and food chains start with the sun and it transferred from the sun.

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5
Q

How do plants make their own food?

A

They turn light energy from the sun into food.

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6
Q

Source of energy

A

The place we get the energy from.

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7
Q

What is energy?

A

Makes things happen, move or change.

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8
Q

Nutrients

A

Substance in food that living things need to live,grow and stay healthy.

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9
Q

Why are plants called producers?

A

They make or produce their own food using light energy.

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10
Q

Name four types of energy.

A

Movement , light, sound and heat energy.

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11
Q

Glucose

A

Sugar found in fruits, plants and honey

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12
Q

Carbon dioxide

A

A gas produced by humans and animals breathing

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13
Q

What types of energy does the sun provide us with?

A

Heat and light

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14
Q

What is an organism

A

Living things like plants or animals

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15
Q

Why do plants store their food?

A

They stored their food to turn it into energy later on.

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16
Q

What does a food chain show?

A

It shows how living things get their food and how nutrients and energy are passed from one organism to another. It also shows how living things depend on each other.

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17
Q

What could happen if a food chain is not balanced?

A

Some things could die because they are not getting the energy they need to live.

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18
Q

What happens as organisms are eaten?

A

Energy and nutrients are transferred.

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19
Q

What is a consumer?

A

The creature that eats the producer. To consume means to eat or use something.

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20
Q

What is heat energy?

A

It is a form of energy that we can feel.

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21
Q

Describe sources of heat energy.

A
  1. The sun is Earth’s primary source of heat energy. If you stand under it you can feel hotter.
  2. Coal,wood,paraffin and wax are the fastest way to create heat (by burning it to create a fire or warm food etc.)
  3. Electricity, as in electrical appliances like heater and stove.
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22
Q

Heat energy can be released or absorbed.give an example of each.

A

Heat escapes or is being released from a hot cup of tea.Heat is being absorbed and melts ice.

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23
Q

What is light energy?

A

It is a form energy that we can see

24
Q

Identify sources of light energy.

A

The sun, stars, candles, lamps, fires torches

25
Q

Give examples of stored energy.

A

Paraffin lamps, wood fire, and candles.

26
Q

Where is energy transferred from?

A

Asa source to where it is needed.

27
Q

Where does electrical energy come from.

A

From burning coal, awind farm or a hydroelectric power station

28
Q

What is sound energy?

A

A form of energy that we can hear.

29
Q

What is decibels?

A

The units which are used to measure sound.

30
Q

At what do will you cause hearing damage?

A

At a sound of 85db.

31
Q

What is noise pollution?

A

Sound that is too loud, not welcome or annoying.

32
Q

What is movement energy?

A

It is a form of energy that we can feel.

33
Q

Describe movement energy

A

The hand that pushes something that causes it too fall.

34
Q

Why do plants store their food?

A

They stored their food to turn it into energy later on.

35
Q

What does a food chain show?

A

They show how living things get their food and how nutrients an energy are passed from one organism to another. They also show how living things depend on each other.

36
Q

What could happen if a food chain is not balanced?

A

Some things could die because it is not getting the energy it needs to live.

37
Q

What happens as organisms are eaten?

A

Energy and nutrients is transferred.

38
Q

What is a consumer?

A

The creature that eats the producer. To consume means to eat or use something.

39
Q

What is heat energy?

A

It is a form of energy that we can feel.

40
Q

Describe sources of heat energy.

A
  1. The sun is earths primary source of heat energy. If you stand under it you can feel hotter.2. Coal,wood,paraffin and wax is the fastest way to create heat by heating it to create a fire or warm food ect.3. Electricity, as in electrical appliances like heater and stove.
41
Q

Heat energy can be released or absorbed.give an example of each.

A

Heat escapes or is being released from a hot cup of tea.Heat is being absorbed and melts ice.

42
Q

What is light energy?

A

It is a form energy that we can see

43
Q

Identify sources of light energy.

A

The sun, stars, candles, lamps, fires torches

44
Q

Give examples of stored energy.

A

Paraffin lamps, wood fire, and candles.

45
Q

Where is energy transferred from?

A

Asa source to where it is needed.

46
Q

Where does electrical energy come from.

A

From burning coal, awind farm or a hydroelectric power station

47
Q

What is sound energy?

A

A form of energy that we can hear.

48
Q

What is decibels?

A

The units which are used to measure sound.

49
Q

At what do will you cause hearing damage?

A

At a sound of 85db.

50
Q

What is noise pollution?

A

Sound that is too loud, not welcome or annoying.

51
Q

What is movement energy?

A

It is a form of energy that we can feel.

52
Q

Describe movement energy

A

The hand that pushes something that causes it too fall.

53
Q

Why do plants store their food?

A

They stored their food to turn it into energy later on.

54
Q

What is energy transfer?

A

The process by which energy goes from one part of an energy chain to another

55
Q

What are nutrients?

A

Substances in food that living things need to live, grow and stay healthy

56
Q

What is the ‘transfer of energy’?

A

The process by which energy goes from one part of an energy chain to another

57
Q

What is an ‘energy chain’?

A

The order in which energy goes from the Sun, to a plant or animal

LDK Gr 4 Nat Sci T3 T4 (7 decks)

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