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KS3 BCP4 SYI

Total questions: 63

Worksheet time: 43mins

Name
Class
Date
1.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
2.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
3.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
4.
What medium does sound travel through slowest?
a)
gas
b)
solid
c)
liquid
d)
trees
5.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
6.

Wave height

a)

frequency

b)

wavelength

c)

amplitude

d)

wave speed

7.

Vocal cords work due to the ______________ created through talking.

a)

reflections

b)

vibrations

c)

auditory

d)

stirrup

8.
Volume describes
a)
how high or low a sound is
b)
how loud or quiet a sound is
c)
how long the sound lasts
d)
how beautiful the sound is
9.
What is #18?
a)
Pinna
b)
Auditory Nerve
c)
Anvil
d)
Cochlea
10.

A student placed an electric bell in a sealed jar and then removed the air from the jar using a vacuum. The expected result of this experiment would be:

a)

an increase in amplitude because sound travels better in glass than in gas

b)

a lower pitched bell than normal because the Doppler Effect causes the wavelength to increase and the frequency to decrease

c)

a higher pitched bell than normal because sound waves do not have to spend energy moving through air

d)

silence because vibrations cannot be transmitted to the jar through a vacuum.

11.

The picture shows 4 sound waves on an oscilloscope. Which has the highest pitch?

a)

A

b)

B

c)

C

d)

D

12.

The picture shows 4 sound waves on an oscilloscope. What can you say about A?

a)

It is a very low pitched sound

b)

It is a very high pitched sound

c)

It is a very quiet sound

d)

It is a very loud sound

13.

The picture shows 4 sound waves on an oscilloscope. Which 2 have the smallest amplitude?

a)

A

b)

B

c)

C

d)

D

14.

Which statement is true of sound waves. Select 2 answers.

a)

They are made by objects vibrating

b)

They are detected because they make our ear drum vibrate

c)

They are transverse waves

d)

They travel faster in air than in water.

15.

The distance between 2 crests or troughs

a)

wavelength

b)

amplitude

c)

frequency

d)

wave speed

16.

Select the correct answer: Ultrasound are...

a)

sounds that only dolphins can produce

b)

sounds that have a frequency above 20 000Hz

c)

sounds that only superheroes can hear

d)

sounds that are below 20 000Hz

17.

Frequency is measured in

a)

m/s

b)

m

c)

Hz

d)

Decibel

18.

What do bats and dolphins use to find things?

a)

Eyes

b)

Echolocation

c)

Ears

d)

Sense of smell

19.

A ship's sonar detects an echo 4 seconds after it sends the pulse towards the sea bed. The speed of sound in water is 1500m/s. The depth of the water is....

a)

1500m

b)

3000m

c)

4500m

d)

6000m

20.

A ship's sonar detects an echo 2.4 seconds after it sends the pulse towards the sea bed. The speed of sound in water is 1500m/s. The depth of the water is....

a)

1500m

b)

1800

c)

2200

d)

1250m

21.

Which is the correct equation for aerobic respiration in humans?

a)

Glucose + Oxygen -> Carbon Dioxide + Water

b)

Glucose + Oxygen -> Carbon Dioxide

c)

Glucose -> Carbon Dioxide + Water

d)

Glucose -> Lactic Acid

22.

Which is the correct equation for anaerobic respiration in humans?

a)

Glucose + Lactic Acid -> Carbon Dioxide + Water

b)

Glucose -> Lactic Acid + Carbon Dioxide

c)

Glucose -> Lactic Acid

d)

Glucose -> ethanol + Carbon Dioxide

23.

What are the products of anaerobic respiration in humans?

a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
24.

Which of these equations shows anaerobic respiration in plants/yeast?

a)

Glucose + Oxygen -> Carbon Dioxide + Water

b)

Glucose -> Lactic Acid

c)

Glucose -> Ethanol + Carbon Dioxide

d)

Glucose -> Lactic Acid + Carbon Dioxide

25.

4. What is the main job of the respiratory system?

a)
To pump blood to all your cells.
b)
To break down food into glucose
c)

To absorb oxygen into the blood.

d)

To send messages to the brain

26.
What happens to your breathing rate when you exercise?
a)
It increases
b)
It decreases
c)
It stays the same
d)

It goes slower

27.

What is respiration?

a)

Breathing

b)

A chemical reaction

c)

Inhalation

d)

Oxygen transfer

28.

Where the exchange of gases actually occur?

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

29.

What are the tubes called that join the alveoli.

a)

Bronchi

b)

Bronchioles

c)

Trachea

d)

Windpipe

30.

The (a)   are tubes that connect the trachea to the lungs

31.
Label A is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
32.
Label C is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
33.

Given the following structures:

1. alveoli

2. bronchi

3. bronchioles

Which of the following is the correct order in which air would flow after inhalation?

a)

1,2,3

b)

2,1,3

c)

2,3,1

d)

3,2,1

34.

After the stomach where does the digested food go next?

a)

Into the oesophagus

b)

Into the large intestine

c)

Into the small intestine

d)

into the liver

35.

Which part of the digestive system is number 2?

a)

oesophagus

b)

stomach

c)

small intestine

d)

liver

36.

Which part of the digestive system is number 4?

a)

oesophagus

b)

large intestine

c)

small intestine

d)

liver

37.

Which way does the blood flow through arteries?

a)

into the heart

b)

away from the heart

38.

Blood returning to the heart from the lungs will be full of (a)  

39.

__________ allow substances to diffuse in and out of cells

a)

Arteries

b)

Veins

c)

Capillaries

d)

Venules

40.
What does the Circulatory System do?
a)
Circulates the Blood throughout the body
b)
Circulates Water throughout the body
c)
Excretes Waste
d)
Controls all parts of the body
41.

Select the correct definition for a compound.

a)

The smallest part of an element that can exist.

b)

A substance made of only one type of atom.

c)

A substance made of more than one type of atom that are chemically bonded together.

d)

A substance made of more than one type of atom that are not chemically bonded together.

42.

Elements can be found on the (a)   table.

43.

Select the diagram that shows an atom.

a)
b)
c)
d)
44.

Select the diagram that shows an element.

a)
b)
c)
d)
45.

Select the diagram that shows a compound.

a)
b)
c)
d)
46.

Select the elements from this list.

a)

Carbon dioxide

b)

Hydrogen

c)

Nitrogen

d)

Hydrochloric acid

e)

Iron

47.

Select the compounds from this list.

a)

O2

b)

CO2

c)

HCl

d)

CH4

e)

Fe

48.

Select the elements from this list.

a)

O2

b)

CO2

c)

HCl

d)

CH4

e)

Fe

49.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
50.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
51.

How many molecules are in this picture?

a)

1

b)

2

c)

3

d)

4

52.

How many elements are in this picture?

a)

1

b)

2

c)

3

d)

4

53.

In the Periodic Table, metals are found on the...

a)

left side

b)

right side

c)

middle

54.

How many different types of elements are found in

CuSO4?

(Type only in numbers!)

(a)  

55.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

56.

The horizontal (side to side) rows in the Periodic Table are called

a)

groups

b)

families

c)

periods

d)

atomic numbers

57.

what is the name of group number 1

a)

halogens

b)

noble gases

c)

alkali

d)

alkaline earth

58.
How are elements on the periodic table arranged by?
a)
in alphabetic order
b)
simular physical & chemical properties
c)
their symbols
d)
Just simular physical properties
59.

Which metal in group 1 is the leats reacrive?

a)

Li - lithium

b)

Na - sodium

c)

K - potassium

d)

Rb - rubidium

60.

What do we find in the yellow section?

a)

metals

b)

non-metals

c)

solids

d)

liquids

e)

gases

61.

My elements become progressively more reactive as you move down the group. Which group am I?

a)

Group 1

b)

Group 7

c)

Group 0

d)

Group 4

62.

My elements become progressively less reactive as you move down the group. Which group am I?

a)

Group 1

b)

Group 7

c)

Group 0

d)

Group 4

63.

My elements elements have the lowest boiling points of all the elements. Which group am I?

a)

Group 1

b)

Group 7

c)

Group 0

d)

Group 4

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