Energy

Question 1

What type of consumers are herbivores?

Answer 1

Primary

Question 2

What gets us energy directly from the sun?

Answer 2

Plants

Question 3

What gets its energy indirectly from the sun?

Answer 3

Animals

Question 4

What is a producer?

Answer 4

Plant

Question 5

Why are plants called producers?

Answer 5

They produce their own energy from sunlight

Question 6

Why do organisms need energy?

Answer 6

To grow

Question 7

What is the plant process of converting sunlight into the type of energy that allows them to grow called?

Answer 7

Photosynthesis

Question 8

What is a consumer? Why?

Answer 8

Animals because they get their energy from consuming (eating) other things. They take the energy from the animals/plants that they eat

Question 9

What is a primary consumer?

Answer 9

Herbivore

Question 10

What is a secondary consumer?

Answer 10

An animal that eats herbivores. It could be a carnivore or an omnivore

Question 11

What is a tertiary consumer?

Answer 11

The third consumer in a food chain. They eat secondary consumers (could be carnivores or omnivores)

Question 12

What order of consumer is a cow?

Answer 12

Primary

Question 13

Give some example of decomposes?

Answer 13

Worms, fungi, bacteria

Question 14

How do decomposers get their energy?

Answer 14

From eating dead plants and animals

Question 15

Why are decomposers thought of as recyclers?

Answer 15

They release the nutrients in dead organisms back into the soil. Plants then use the nutrients. This means the nutrients are recycled .

Question 16

What are nutrients?

Answer 16

Substances in food (or soil) that living things need to live, grow and to stay healthy

Question 17

What are nutrients used for?

Answer 17

To live

Question 18

What makes something a source of energy?

Answer 18

It is something a living organism gets food from

Question 19

Where do humans get their energy from?

Answer 19

From the food we eat

Question 20

What does an food chain show?

Answer 20

A food chain.
Shows the order in which energy goes from the sun to plant to animal

Question 21

How is energy transferred to producers?

Answer 21

Photosynthesis

Question 22

What are the different types of energy?

Answer 22

Light
Sound
Heat
Movement

Question 23

Three examples of light energy?

Answer 23

Sun
Lightning
Lamp
Candle

Question 24

Three examples of sound energy

Answer 24

Trumpet
Trombone
Candle
Piano
Drums
Bird
Whistling
Thunder

Question 25

Heat energy- four examples

Answer 25

Camp fire Braai Oven Heater Hairdryer

Question 26

Where is crude oil found?

Answer 26

Deep underground

Question 27

Where does the energy in crude oil come from?

Answer 27

From small sea creatures and plants that lived millions of years ago

Question 28

What is a system?

Answer 28

Something that has multiple parts that work together to do something

Question 29

Give 2 examples of systems

Answer 29

Machines and appliance

Question 30

What is the energy that goes into a system?

Answer 30

Input energy

Question 31

What is the difference between music and noise?

Answer 31

Noise is random or unorganised sound. Music is organised sound.

Question 32

What causes sound from instruments?

Answer 32

Movement that vibrates air in a flute or material such as guitar strings.

Question 33

Describe some instruments and what input movement makes the sound.

Answer 33

Flute = blow to move air through it Tambourine = shake or hitting it Guitar = pluck or strum the strings

Question 34

Describe the differences in energy input 1) percussion instruments 2) wind instruments 3) string instruments

Answer 34

1) hitting 2) Blowing 3) plucking (guitar) or rubbing the strings (violin)

Question 35

How does changing a vibration change the music?

Answer 35

Changes the frequency of the sound wave. High frequency = high pitch and vice versa.

Question 36

What does indigenous mean?

Answer 36

where it came from originally

Question 37

What is the input energy for musical instruments?

Answer 37

Movement

Question 38

What is the output energy for musical instruments?

Answer 38

Sound

Question 39

How is it played and what is it made of? Flute

Answer 39

Blow across Silver plated metal

Question 40

How is it played and what is it made of? Kwela flute

Answer 40

Blowing Made of wood

Question 41

How is it played and what is it made of? French horn

Answer 41

Blow in it made Of brass

Question 42

How is it played and what is it made of? Kudu horn

Answer 42

Blow into it Made of a judo horn

Question 43

How is it played and what is it made of? Harp

Answer 43

Pluck the strings Made of wood and wire

Question 44

How is it played and what is it made of? Krar

Answer 44

Bow, strum or pluck the strings Made of wood

Question 45

How is it played and what is it made of? Violin

Answer 45

Drawing the bow across the string or plucking Made of wood and nylon

Question 46

How is it played and what is it made of? Traditional musical bow

Answer 46

By plucking the string or scraping it with a bow or hitting Made from sticks, calabash, string made from hide