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Worksheets

YR 8 Assessment 2 CURE

Total questions: 94

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

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

a)

groups

b)

towers

c)

periods

d)

atomic numbers

2.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
3.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
4.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
5.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
6.

How many electrons are in the outer shell of an atom of an alkali metal?

Hint: What group number are the alkali metals?

a)

1

b)

7

c)

8

7.

Which of these physical properties do group 1 elements have?

a)

They have high densities

b)

They are hard

c)

They have low melting points compared to other elements

8.

Which statement describes the trends in reactivity in groups 1 and 7?

Read these carefully...

a)

The reactivity of the group 1 elements decreases down the group and the reactivity of the group 7 elements increases down the group

b)

The reactivity of the group 1 and group 7 elements increases down the group

c)

The reactivity of the group 1 elements increases down the group and the reactivity of the group 7 elements decreases down the group

9.

What happens in the reaction of group 1 elements with water?

a)

They turn into a powder

b)

They do not react with water

c)

They fizz and can catch on fire

10.

Iron + copper oxide =

a)

Iron + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

11.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
12.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
13.

Which of the following is more reactive?

a)

Calcium

b)

Magnesium

c)

Zinc

d)

Magnesium

14.

Will the following reaction take place?


Ni + NaCl ->

a)

NO

b)

YES

15.

Which one of the following combinations result in a displacement reaction?

a)

Iron with magnesium chloride

b)

magnesium with iron chloride

c)

Iron with Zinc Sulphate

d)

gold with silver nitrate

16.
A displacement reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted 
d)
Displacement reactions will only occur in metals above iron in the reactivity series
17.

What will the products of this reaction be?

calcium + zinc nitrate --------->

a)

Calcium + zinc nitrate

b)

Zinc + calcium nitrate

c)

there will be no reaction

d)

Zinc + calcium chloride

18.
Which of the following will not undergo reaction?
a)
zinc metal  +  zinc oxide 
b)
iron metal  +  copper oxide
c)
zinc metal +  iron oxide
d)
magnesium  +  iron oxide
19.

This is the symbol for a...

a)

Thermistor

b)

Bulb

c)

Fixed Resistor

d)

Ammeter

20.

This is the symbol for a...

a)

Motor

b)

Ammeter

c)

Bulb

d)

Voltmeter

21.

This is the symbol for a...

a)

Light Dependent Resistor

b)

Light Emitting Diode

c)

Thermistor

d)

Cell

22.

This is the symbol for a...

a)

Light Emitting Diode

b)

Fuse

c)

Fixed Resistor

d)

Variable Resistor

23.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

24.

This is the symbol for a...

a)

Light Emitting Diode

b)

Light Dependent Resistor

c)

Fuse

d)

Cell

25.

This is the symbol for a...

a)

Fuse

b)

Cell

c)

Fixed Resistor

d)

Variable Resistor

26.

This is the symbol for a...

a)

Battery

b)

Thermistor

c)

Motor

d)

Fuse

27.

This is the symbol for a...

a)

Thermistor

b)

Fixed Resistor

c)

Variable Resistor

d)

Fuse

28.

This is the symbol for a...

a)

Fixed Resistor

b)

Variable Resistor

c)

Light Dependent Resistor

d)

Fuse

29.

If the switch is open in a circuit, then...

a)

...electricity will flow.

b)

....electricity will NOT flow.

30.

This switch is open.

a)

True

b)

False

31.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
32.
a)
Closed switch
b)
Push switch
c)
Trap door
d)
AC Power supply
33.

Magnets have _______ poles

a)

two

b)

three

c)

four

d)

five

34.

The two poles of a magnet are called ...

a)

East and West

b)

North and North

c)

North and South

d)

South and South

35.

If you put a North pole and a North pole together the magnets will ...

a)

do nothing

b)

attract

c)

repel

36.

If you put a North pole and a South pole together the magnets will ...

a)

attract

b)

repel

c)

do nothing

37.

If you put a South pole and a South pole together the magnets will ...

a)

attract

b)

do nothing

c)

repel

38.

Plastic is ...

a)

magnetic

b)

not magnetic

c)

a type of metal

39.

_______________ are magnetic.

a)

colouring pencils

b)

rubbers

c)

scissors

d)

plastic rulers

40.

Select the diagram with the weakest magnetic field

a)
b)
c)
41.

Where is the magnetic field the strongest around a bar magnet?

a)

far away from the magnet

b)

at the side of the magnet

c)

at the poles

d)

above the magnet

42.

The field lines in a uniform magnetic field are...

a)

randomly spaced

b)

evenly spaced

c)

parallel

d)

perpendicular

e)

straight

43.

Are the poles in the diagram north poles or south poles?

(a)  

44.

What type of pole is the red pole in the diagram?

(a)  

45.

The Earth has a magnetic field because the (a)   of the Earth is made of iron and nickel.

46.

Are the magnetic field lines in the picture correct?

a)

Yes, because they point from north to south.

b)

No, because they point from north to south (they're supposed to go the other way).

c)

No, because the North pole is on the left in all pictures (it's supposed to be on the right).

47.

The area of magnetic force around a magnet is known as its _____________.

a)

magnetic field

b)

magnetic declination

c)

magnetic fan lines

d)

magnetic tan lines

48.

A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.

a)

calculator

b)

ruler

c)

compass

d)

map

49.
What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  
a)

Electromagnet 

b)

Generator

c)

Electron Magnet 

d)

Magneto's Helmet

50.

Which of the following materials would make good conductors of electrical current?

a)

rubber

b)

steel

c)

copper

d)

wood

e)

plastic

51.

A junkyard needs a magnet to separate iron and nickel scraps from other items. The scraps will be placed in a container for recycling. A manager is deciding whether to purchase an electromagnet or a bar magnet. Which is the BEST reason to choose an electromagnet or a bar magnet?

a)

An electromagnet because it attracts iron and nickel

b)

A bar magnet because it is a permanent magnet

c)

A bar magnet because it is stronger than an electromagnet

d)

An electromagnet because it can be turned on and off

52.

An electromagnet can only work if it has _____________

a)

magnetic poles

b)

a switch

c)

electric current

d)

a bar magnet

53.

Which of these is a way to make an electromagnet stronger?​ ​ ​ ​ (a)  

Choose from the below words
wrapping the wire around the iron core more
putting a switch in the electrical circuit
replacing the copper wire with plastic wire
replacing the iron core with a copper core
54.

Drag the terms to the correct area on the image:

a)

Battery

b)

Wire

c)

Iron Core

d)

Magnetic Field

1
2
3
4
1)
2)
3)
4)
55.

Which nutrient is used by your body for growth and repair?

a)

carbohydrates

b)

proteins

c)

fats

d)

vitamins and minerals

56.

What is the main purpose of the digestive system?

a)

To pump blood

b)

To breathe

c)

To break down food and absorb nutrients

d)

To see and hear

57.

Which organ in the digestive system produces digestive juices to help break down food?

a)

Stomach

b)

Liver

c)

Small intestine

d)

All of the the named organs in this question

58.

What is the name of the tube that carries food from your mouth to your stomach?

a)

Trachea

b)

Oesophagus / gullet

c)

Small intestine

d)

Large intestine

59.

Where does digestion begin in the human body?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Mouth

60.

Order the organs correctly to show which organs food passes through the digestive system

a)

Mouth

b)

Oesophagus / gullet

c)

Stomach

d)

Small Intestine

e)

Large intestine

1)
2)
3)
4)
5)
61.

Identify the stomach in the diagram

A
B
C
D
E
F
62.

Identify the small intestine in the diagram

A
B
C
D
E
F
63.

it is the organ that releases a lot of acids and enzymes that breaks down food particles(bolus)

a)

mouth

b)

esophagus

c)

tongue

d)

stomach

64.

This organ secretes bile breaking down fats

a)

stomach

b)

liver

c)

mouth

d)

pancreas

65.

This organ releases pancreatic enzymes to help digest food particles(chyme)

a)

stomach

b)

liver

c)

pancreas

d)

intestine

66.

It is the organ where food particles are further broken down, absorbed and transferred into the body through the blood.

a)

stomach

b)

small intestine

c)

large intestine

d)

liver

67.

What are proteins broken down into by protease enzymes?

a)

Fatty acids

b)

Amino acids

c)

Glucose

d)

Sucrose

68.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
69.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
70.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
71.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
72.

What organ secretes carbohydrase, protease and amylase?

a)

Pancreas

b)

Stomach

c)

Mouth

d)

Small Intestine

73.

Which enzymes are produced only in the pancreas and small intestine?

a)

Protease

b)

Carbonhydrase

c)

Lipase

74.

What is the function of an enzyme?

a)

enzymes break themselves into small pieces

b)

enzymes slow down chemical reactions

c)

enzymes speed up chemical reactions

d)

enzymes are a wave-like muscular motion

75.

Lipase breaks down fats into:

a)

fatty acids and glycerol

b)

amino acids

c)

fatty acids and glycogen

d)

maltose

76.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
77.

Respiration only occurs in animals.

a)

True

b)

False

78.
Combustion is another word for __________.
a)
Transportation
b)
Respiration
c)
Fossil Fuels
d)
Burning
79.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
80.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
81.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
82.
The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?
a)
X : Respiration
Y : Predation
b)
X : Adaptation
Y : Decomposition
c)
X : Fermentation
Y : Nitrogen Fixation
d)
X : Decomposition
Y : Respiration
83.

Why is burning fossil fuels harmful?

a)

they cause cancer

b)

They can get extremely hot

c)

it increases the amount of carbon dioxide in the atmosphere

d)

this would destroy fossils

84.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
85.

Name the hydrocarbon.

a)

Propane

b)

Methane

c)

Hexane

d)

Hexene

86.

Name the hydrocarbon.

a)

Propane

b)

Methane

c)

Hexane

d)

Hexene

87.

Name the hydrocarbon.

a)

Ethyne

b)

Pentene

c)

Propene

d)

Butane

88.
a)

Methane

b)

Propane

c)

Heptane

d)

Hexane

89.
a)

Propyne

b)

Butene

c)

Pentane

d)

Butyne

90.
Name this alkane.
a)
propane
b)
octane
c)
hexane
d)
butane
91.

What is the name of the Alkenes that has 4 carbon atoms in the longest chain?

a)

Butane

b)

Butyne

c)

Butene

92.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
93.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
94.

Match the following

a)

1.

Methane

b)

2.

Propene

c)

3.

Pentane

d)

4.

Ethane

e)

5.

Ethene

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