Year 9 Science Yearly Revision SHS

Question 1

What types of waves does this telescope detect?

Accepted Answer

Radiowaves

Question 2

True or false: This is a chemical reaction.

Accepted Answer

False

Question 3

Which type of chemical reaction gives off heat?

Accepted Answer

exothermic

Question 4

What types of waves does this telescope detect?

Accepted Answer

Radiowaves

Question 5

How many electrons are there in an atom of phosphorus

Accepted Answer

15

Question 6

Reflection is the bending of light through a substance

Accepted Answer

False

Question 7

Is this the correct type of graph for the data it shows?

Accepted Answer

NO

Question 8

What electrical component is this?

Accepted Answer

battery

Question 9

Which particle/s of nuclear radiation can go through lead?

Accepted Answer

gamma

Question 10

Which is the smallest particle of nuclear radiation?

Accepted Answer

gamma

Question 11

Is this the correct type of graph for the data it shows?

Accepted Answer

NO

Question 12

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 13

What electrical component is this?

Accepted Answer

open switch

Question 14

Isotopes of an element have different numbers of.....

Accepted Answer

neutrons

Question 15

If the voltage is 3 V and the resistance is 2 ohms. What is the current?

Accepted Answer

1.5 amps

Question 16

What type of cell is this?

Accepted Answer

Muscle cell

Question 17

Which is a sign of a chemical change?

Accepted Answer

colour change

Question 18

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 19

Which is the largest particle of nuclear radiation?

Accepted Answer

alpha

Question 20

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 21

What is the frequency of a wave?

Accepted Answer

The number of waves that pass a point in a certain timeframe

Question 22

Which particle/s of nuclear radiation can go through aluminium foil?

Accepted Answer

gamma

Question 23

True or false: This is the most common isotope of hydrogen.

Accepted Answer

False

Question 24

True or false: This is a chemical reaction.

Accepted Answer

True

Question 25

What type of cell is this?

Accepted Answer

fat cell

Question 26

What type of cell is this?

Accepted Answer

papillae

Question 27

What types of waves does this telescope detect?

Accepted Answer

Radiowaves

Question 28

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 29

Refraction is the bending of light through a substance

Accepted Answer

True

Question 30

What electrical component is this?

Accepted Answer

resistor

Question 31

What types of waves do we use in radiation therapy?

Accepted Answer

gamma rays

Question 32

True or false: This is a chemical reaction.

Accepted Answer

True

Question 33

What types of waves do we use in microwave ovens?

Accepted Answer

microwaves

Question 34

If the current is 5 amps and the resistance is 20 ohms. What is the voltage?

Accepted Answer

100 V

Question 35

What electrical component is this?

Accepted Answer

ammeter

Question 36

What type of cell is this?

Accepted Answer

Neuron

Question 37

What types of waves does this telescope detect?

Accepted Answer

visible light waves

Question 38

Is this the correct type of graph for the data it shows?

Accepted Answer

NO

Question 39

Which equation for Ohm's law is correct?

Accepted Answer

V = I x R

Question 40

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 41

True or false: This is the most common isotope of hydrogen.

Accepted Answer

False

Question 42

True or false: This is the most common isotope of hydrogen.

Accepted Answer

True

Question 43

Is this the correct type of graph for the data it shows?

Accepted Answer

NO

Question 44

What types of waves do we use in mobile phones?

Accepted Answer

microwaves

Question 45

Is this circuit series or parallel?

Accepted Answer

Series

Question 46

What types of waves do we use in medical imaging?

Accepted Answer

x-rays

Question 47

What electrical component is this?

Accepted Answer

light

Question 48

All EM radiation travels at the same speed

Accepted Answer

True

Question 49

If the current is 0.5 amps and the resistance is 2 ohms. What is the voltage?

Accepted Answer

1 V

Question 50

What is an ecosystem?

Accepted Answer

A community of different species and their environment

Question 51

Is this circuit series or parallel?

Accepted Answer

Parallel

Question 52

What is the amplitude of a wave?

Accepted Answer

The distance between the crest and centre line of a wave

Question 53

What types of waves do we use in medical sterilisation?

Accepted Answer

ultraviolet waves

Question 54

How many protons are there in an atom of sodium?

Accepted Answer

11

Question 55

Which particle/s of nuclear radiation can go through paper?

Accepted Answer

beta, gamma

Question 56

True or false: This is a chemical reaction.

Accepted Answer

False

Question 57

Is this the correct type of graph for the data it shows?

Accepted Answer

YES

Question 58

Define population (in ecology terms)

Accepted Answer

All the individuals of one species living in an area

Question 59

What is the wavelength of a wave?

Accepted Answer

The distance between two crests

Question 60

What would happen if a large population of ducks migrated into this ecosystem?

Accepted Answer

there would be lot of intraspecific competition over food, mates & habitat

Question 61

As the frequency of a wave increases, the wavelength also increases.

Accepted Answer

False

Question 62

Dragonfly larvae compete with minnows for....

Accepted Answer

water fleas

Question 63

Is this circuit series or parallel?

Accepted Answer

Series

Question 64

How many neutrons are there in an atom of sodium?

Accepted Answer

11.99

Year 9 Science Yearly Revision SHS

Questions 66

Year 9 Science Yearly Revision SHS

Questions 66