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Year 8 paper 1 Quiz

Total questions: 160

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
Which food group contains the following: bread, cereal, potatoes.
a)
Protein
b)
Carbohydrates
c)
Fats
d)
Milk and Dairy
2.
Which nutrient helps rebuild and repair muscles?
a)
Dairy
b)
Sodium
c)
Carbohydrates
d)
Protein
3.
Which nutrient helps rebuild and repair muscles?
a)
Dairy
b)
Sodium
c)
Carbohydrates
d)
Protein
4.
Which nutrient insulates the body against the cold and protects internal organs?
a)
Proteins
b)
Fats
c)
Minerals
d)
Nutrients
5.
Which nutrient helps control body functions such as digestion, metabolism, and wound healing?
a)
Vitamins
b)
Minerals
c)
Water
d)
Vegetables
6.
Which nutrient contributes to water balance, metabolism, and muscle function?
a)
Protein
b)
Minerals
c)
Water
d)
Vitamins
7.
The purpose of carbohydrates is:
a)
to provide a layer of insulation for protection.
b)
to boost the immune system and fight off infection.
c)
to provide the body with energy.
d)
to help us get a good night's rest.
8.
How does calcium help our body?
a)
Builds muscle
b)
Helps eyesight
c)
Develops red blood cells
d)
Builds strong bones
9.
Fish, nuts, oils and avocado are healthy sources of....
a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
10.
When you don't drink enough water you can become:
a)
silly
b)
hyper
c)
intoxicated 
d)
dehydrated 
11.
This nutrient makes up 75% of your body:
a)
water
b)
vitamin A
c)
carbohydrates 
d)
protein 
12.
a)

Protein

b)

Dairy

c)

Carbohydrates

d)

Fruit and Vegetables

13.
a)

Fruit

b)

Vegetables

c)

Carbohydrates

d)

Dairy

14.
a)

Protein

b)

Carbohydrates

c)

Fats and Sugars

d)

Dairy

15.
a)

Fats

b)

Protein

c)

Carbohydrate

d)

Dairy

16.

Which of these are food groups in a balanced diet?

a)

Protein

b)

Carbohydrate

c)

Dairy

d)

Lipids / Fats

e)

Vitamins and Minerals

17.

Carbohydrates are needed for ...

a)

Growth and Repair

b)

Energy

c)

Hydration

d)

Insulation

18.

Proteins are needed for ...

a)

Growth and Repair

b)

Energy

c)

Hydration

d)

Insulation

19.

Lipids are needed for ...

a)

Growth and Repair

b)

Energy

c)

Hydration

d)

Insulation

e)

Protect Organs

20.

Why do we need fibre in our diet?

a)

Growth and Repair

b)

To prevent constipation

c)

Insulation

21.

Bread is high in

a)

lipids / fats

b)

protein

c)

carbohydrate

d)

water

22.

Butter is high in

a)

lipids / fats

b)

protein

c)

carbohydrate

d)

water

23.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

24.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

25.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

26.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

27.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

28.
When large amounts of glucose is present Benedicts turns...
a)
purple
b)
blue-black
c)
brick-red
d)
green
29.

A negative test for starch will cause Iodine to stay...

a)

orange/red

b)

blue

c)

black

d)

brick red

30.

A negative test for protein will cause Biuret to stay...

a)

brick red

b)

blue

c)

black

d)

orange

31.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

orange

32.

In this experiment, you must put your test tubes into a hot water bath

a)

Benedict's Test

b)

Biurets Test

c)

Iodine Test

d)

Ethanol Emulsion Test

33.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

34.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

35.
Which biomolecule does Benedict's solution test for?
a)
simple carbohydrate (monosaccharides)
b)
complex carbohydrates (polysaccharides)
c)
proteins
d)
lipids
36.
Which biomolecule is this lab testing for?
a)
simple carbohydrate (monosaccharide)
b)
complex carbohydrate (polysaccharide)
c)
protein
d)
lipid
37.
Tara conducted several tests on a mystery solution.  Her results were as follows:
*Biuret's = purplish/violet; *Benedict's = orange;  *Sudan III = yellow; *Iodine = black.
Which biomolecules were present in the mystery solution?
a)
protein & carbohydrate
b)
protein & lipid
c)
carbohydrate & lipid
d)
protein, carbohydrate, & lipid
38.

This is a positive result for .....

a)

protein

b)

bread

c)

fats / lipids

d)

the carbohydrate, starch

39.

If you drop iodine solution on bread, it changes to Black. What does this show?

a)

Bread contains protein

b)

Bread contains sugar

c)

Bread contains starch

d)

Bread contains lipids?

40.

A reagent is.....

a)

a substance you add in chemical analysis

b)

the products of a chemical reaction

c)

the chemical that you end up with at he end

d)

a food test

41.

What does this hazard symbol represent

a)

Flammable

b)

Toxic

c)

Hazardous

d)

Corrosive

42.

what does this safety symbol mean?

a)

irritant

b)

impossible

c)

impractical

d)

can only be used by people with names starting with I

43.
This is an image of the
a)
stomach
b)
small intestine
c)
esophagus
d)
large intestine
44.
What is the function of the digestive system?
a)
to break down and absorb nutrients
b)
to support and protect our bodies
c)
to produce vitamin D
d)
to help us move
45.
What organ is this?
a)
stomach
b)
large intestine
c)
small intestine
d)
esophagus
46.
What organ is this?
a)
stomach
b)
small intestine
c)
large intestine
d)
esophagus
47.
What organ is this?
a)
stomach
b)
small intestine
c)
large intestine
d)
esophagus
48.

The PROCESS by which food is broken down

a)

digestion

b)

enzyme

49.
The digestive system absorbs nutrients and creates waste.
a)
True
b)
False
50.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
51.

Which organ releases digestive enzymes into the small intestine?

a)

pancreas

b)

small intestine

c)

esophagus

d)

salivary glands

52.

What organ is responsible for the majority of the absoption that occurs in the digestive system?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

53.

Which of the following is an accessory organ of the digestive system?

a)

stomach

b)

small intestine

c)

esophagus

d)

liver

54.

Which organ stores and releases bile?

a)

liver

b)

gallbladder

c)

pancreas

55.

Which organ makes bile?

a)

liver

b)

gallbladder

c)

pancreas

56.

What organ is responsible for the absorption of water and movement of waste?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

57.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

58.

What enzyme is found in saliva that starts digesting carbohydrates?

a)

amylase

b)

chyme

c)

pepsin

d)

bile

59.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

60.

What does the pancreas do?

a)

produces digestive enzymes to break down proteins and fats

b)

produces sodium bicarbonate to neutralize stomach acid

c)

regulates our blood sugar levels

d)

all answers are correct

61.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
62.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
63.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
64.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
65.

Match the description to the graph:

"The car is traveling at a constant speed."

a)
b)
c)
d)
66.
Can be measured in meters (m)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
67.

Segment B-C The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

68.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
69.

Describe the motion of the object during Portion D of the trip?

a)

It is stopped.

b)

It is slowing down.

c)

It is moving at constant speed

70.

How long was the object stopped during Portion D?

a)

1 second

b)

2 seconds

c)

3 seconds

d)

4 seconds

71.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
72.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
73.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
74.

The units of force are

a)

Newtons

b)

Kilograms

c)

N/m2

75.

Pressure is equal to force divided by what

a)

area

b)

mass

c)

time

76.

Army tank tracks are useful for travelling through the mud because..

a)

they decrease the force the vehicle exerts on the ground

b)

they increase the force the vehicle exerts on the ground

c)

they decrease the pressure the vehicle exerts on the ground

77.

Where would you find the largest pressure?

a)

Under a snowshoe

b)

At the tip of a pin

78.

The units of pressure are

a)

N

b)

N/m2

c)

m2

79.

Why does a knife exert a large pressure on a tomato?

a)

Because it has a large area

b)

Because it has a small area

80.

Would you rather stand on one nail or 100 nails?

a)

1

b)

100

81.

Pressure =

a)

me, now I am in Y8

b)

force x area

c)

force / area

82.

How do you increase pressure?

a)

Make the area bigger

b)

Make the area smaller

c)

Make the force smaller

83.

How do you decrease pressure?

a)

Make the area bigger

b)

Make the area smaller

84.
What happens to pressure as you go deeper under water?
a)
it increases
b)
it decreases
c)
it stays the some
d)
no soup for you!
85.
Arrange the density of spheres, W, X, Y and Z, in descending order.
a)
X, Y, W, Z
b)
Y, X, W, Z
c)
X, W, Y, Z
d)
W, Z, X, Y
86.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
87.

An object will sink in a fluid if

a)

gravity is stronger than buoyant force

b)

buoyant force is stronger than gravity

c)

a fluid can be a gas or a liquid

d)

if the object is solid

88.
What is the equation for pressure?
a)
Pressure = Force / Surface area
b)
Pressure = Force x Surface area
c)
Pressure = Force + Surface area
d)
I have a 6 foot squirrel named Antney
89.

An object weighing 30 N displaces a volume of water with a weight 20 N. What will the object do?

a)

It will sink

b)

It will float

c)

It will fly

d)

None of these answers

90.
An object will float in water when the buoyant force equals the object's ___________________.
a)
density
b)
weight
c)
pressure
d)
depth
91.

Buoyancy is the ability to

a)

Sink

b)

Float

92.

Negative buoyancy (object's weight is stronger) means an object will

a)

sink

b)

float

93.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
94.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

95.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all directions.

96.

What is pressure?

a)

The amount of force exerted on a surface

b)

The surface area of an object

c)

The weight of an object

97.

An object will float on water if it is

a)

less dense than water.

b)

more dense than water.

c)

the same density as water.

98.
Buoyancy is the tendency for objects to float in a fluid. Buoyancy pushes the opposite direction of...
a)
waves push.
b)
magnetic pull.
c)
the wind.
d)
gravity's pull
99.
Diagram 10 shows a diver in the sea
Which physical quantity will increase when the diver dives deeper?
a)
Pressure
b)
Buoyant Force
c)
Atmospheric pressure
d)
Gravitational field strength
100.
Which of the following diagrams shows the best design for the wall of a reservoir?
a)
A
b)
B
c)
C
d)
D
101.
Objects A-D are in water. Which is the most dense?
a)
A
b)
B
c)
C
d)
D
102.
What does pressure measure?
a)
Strength
b)
Force exerted on a given area of surface
103.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

104.

Can be beaten into thin sheets

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Flexible

105.

Can be drawn into wires

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Flexible

106.

When you hit it, it rings like a bell.

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Flexible

107.

Can bend easily without breaking

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Flexible

108.

Another word for shiny

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Lustrous

109.

The only 3 magnetic metals are:

a)

Iron

b)

Cobalt

c)

Magnesium

d)

Nickel

110.

Metals are poor conductors of electricity

a)

True

b)

False

111.

Metals are good conductors of heat

a)

True

b)

False

112.

Most metals are brittle

a)

True

b)

False

113.

The chemical symbol for iron

a)

Ir

b)

Fe

c)

I

d)

Fn

114.

The only liquid metal at the room temperature

a)

Francium

b)

Sodium

c)

Mercury

d)

Cobalt

115.

Chemical symbol for Gold

a)

Go

b)

G

c)

Au

d)

Mn

116.

Which one is not a metal?

a)

Magnesium

b)

Nickel

c)

Mercury

d)

Nitrogen

117.

Which one is NOT a property of most metals?

a)

Ductile

b)

Malleable

c)

Magnetic

d)

Sonorous

118.

The majority of elements in the periodic table are

a)

metals

b)

non-metals

119.

Metals are poor conductors of heat

a)

true

b)

false

120.

The property of metals that describes their excellent ability to pass on electrical charge

a)

thermal conductor

b)

malleable

c)

sonorous

d)

electrical conductor

121.

Copper wire can be bent without breaking. This means that it is

a)

sonorous

b)

flexible

c)

ductile

d)

malleable

122.

Most metals can be stretched into long wires. What is the name of this property of metals?

a)

ductile

b)

malleable

c)

brittle

d)

sonorous

123.

Which metal is NOT magnetic?

a)

copper

b)

iron

c)

cobalt

d)

nickel

124.
Low density
a)
Metal
b)
Nonmetal
125.
Comes first in a chemical compound
a)
Metal
b)
Nonmetal
126.
Which particle carries a positive charge?
a)
Protons
b)
electrons
c)
atom
d)
neutrons
127.
Metals...
a)
all have similar physical properties
b)
some have similar physical properties
c)
don't similar physica properties
d)
very few have similar physical properties
128.
True or false: Alkali Metals are so soft they can be cut with a knife?
a)
True
b)
False
129.

Which of these are made from atoms that are chemically bonded together?

(tick all that apply)

a)

elements

b)

mixtures

c)

compounds

d)

molecules

130.

Element, mixture, or compound?

a)

element

b)

mixture

c)

compound

131.

Element, mixture, or compound?

a)

element

b)

mixture

c)

compound

132.

How many molecules are in this picture?

a)

1

b)

2

c)

3

d)

4

133.

How many elements are in this picture?

a)

1

b)

2

c)

3

d)

4

134.

How many compounds are in this picture?

a)

1

b)

2

c)

3

d)

4

135.

What do you see in this picture?

a)

A pure element

b)

A pure compound

c)

A mixture of two elements

d)

A mixture of two compounds

e)

A mixture of an element and a compound

136.

What do you see in this picture?

a)

A pure element

b)

A pure compound

c)

A mixture of two elements

d)

A mixture of two compounds

e)

A mixture of an element and a compound

137.

K is the symbol for the element...

(a)  

138.

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

a)

left side

b)

right side

c)

middle

139.

Name the compound formed from the following elements:

sulfur, iron

(a)  

140.

Name the compound formed from the following elements:

carbon, oxygen, copper

(a)  

141.

How many different types of elements are found in

CuSO4?

(Type only in numbers!)

(a)  

142.

How many atoms in total are found in

CuSO4?

(Type only in numbers!)

(a)  

143.

Which technique can be used to get sea salt from seawater?

a)

filtration

b)

evaporation

c)

distillation

d)

chromatography

144.

Name the equipment labelled 5.

(a)  

145.

Based on the chromatogram, the mixture contains...

(tick all that apply)

a)

dye 1

b)

dye 2

c)

dye 3

146.

Sugar is added to water. The water is the...

a)

solute

b)

solvent

c)

solution

d)

saturated

147.

Which of the following is NOT a solution?

a)
b)
c)
d)
148.

Which of these does NOT increase the solubility of a solute?

a)

Increasing the temperature

b)

Stirring

c)

Adding more solvent

d)

Adding more solute

149.

Which symbol shows a chemical reaction has occured?

a)

A

b)

B

c)

C

d)

D

150.

A physical change is the same as a chemical change

a)

TRUE

b)

FALSE

151.

Identify the product(s) in this word equation

a)

Sodium

b)

Sodium chloride

c)

Sodium and Chlorine

d)

Sodium and sodium chloride

152.

In a word equation the REACTANTS

a)

Are written on the right hand side of the arrow

b)

Are produced in a chemical reaction

c)

Are always the same

d)

Are the substances that react together

153.

The products in this reaction are?

a)

Two solids

b)

One solid and one gas

c)

Three solids and a gas

d)

Two solids and a gas

154.

The new substances formed in a chemical reaction are called

a)

Reactants

b)

Atoms

c)

Products

d)

Reagents

155.

What are the reactants in this word equation?

a)

Carbon dioxide and oxygen

b)

Carbon dioxide and water

c)

Oxygen and glucose

d)

Oxygen and water

156.

In a chemical reaction...

a)

New atoms are created

b)

Atoms rearrange

c)

Atoms are destroyed

d)

Nothing Happens

157.

In this chemical reaction zinc is a...

a)

Product

b)

Reactant

c)

Neither

158.

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

a)

A

b)

B

c)

C

d)

D

159.

Iron reacts with sulfur to produce iron(II) sulfide. Choose the correct word equation.

a)

iron + solid → iron sulfide

b)

iron + sulfur → iron sulfide

c)

iron sulfide + iron→ sulfur

d)

sulfur + iron sulfide → iron

160.

Sodium reacts with chlorine to produce sodium chloride. Choose the correct word equation.

a)

sodium chloride → chlorine + sodium

b)

sodium + carbon dioxide → sodium carbonate

c)

sodium + chlorine → sodium chloride

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