Year 9 2009 Exam

Year 9
End of Year Science Exam 2009
INSTRUCTIONS:
All questions are to be answered in the spaces provided on the paper.
If you need more space write the answer on your own paper. Make sure you
clearly indicate the question number. e.g. Part 3 Hokey Pokey Q3. a)
Aim to spend about 20 - 25 minutes on each section. There are 5 sections and you can do
them in any order.
When you have finished go back over all your answers.
Make sure you have attempted all questions.
There are no marks taken off for wrong answers. Marks
are only awarded for correct answers.
If you are unsure of an answer then at
least guess.
The wordfind at the back is not worth any marks. It is
only to be done if you have finished everything else
Name ____________ Form Class ________
Science Teacher ___________________
Page 1 of 24

Time allowed 1 hour and 45 minutes.
The paper is divided into 5 sections. Spend about 20 to 25 minutes on each Section.
Write answers in the spaces provided
Part 1: Introduction to Science
Question 1
A B C D E
(a)
F G H I J
Name the pieces of laboratory equipment drawn above. (H has been done for you.)
A ________________________ F ________________________
B ________________________ G ________________________
C ________________________ H Stirring rod
D ________________________ I ________________________
E ________________________ J ________________________
b) Write the letter(s) of the piece or pieces of equipment you would use to
i)
ii)
filter sand and water
measure the volume of a small stone
________________________.
________________________.
iii)
iv)
evaporate a solution of salt and water ________________________.
boil water and measure its temperature ________________________.
v)
dissolve salt in water
________________________.
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Question 2
Energy Equations
Below are five pictures. For each one write an energy equation. (a) is done for you.
a)
Energy equation for electric lamp
Electrical Energy → Light energy + heat energy
b)
Energy equation for petrol car going up hill
c)
Energy equation for skateboarder going down hill
d)
Energy equation for bungy jump just after leaving the
platform all the way to the bottom
e)
Energy equation for ipod playing music
Question 3 Practicals
Results Aim Conclusion Hypothesis Method
Put the above terms into the order they go when you write up a practical:
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Write each term (Conclusion, Hypothesis, Aim, Results, Method) next to its correct definition:
Section Name
Definition
a) This is what you hope to prove
b) What you saw happen and or what you
measured
c) This is what you think will happen
d) Clear step by step instructions on what to do
e) An explanation of the results that relates
back to aim
Question 4. Tom races his trolley down a hill. The table below gives the distances the trolley travelled from
the start line.
Time (sec) 0 1 2 3 4 5 6 7 8
Distances (m) 0 2.6 ? 8.0 10.7 12.0 14.5 17.0 19.5
a) Plot this data as a line graph on the grid below.
b) From the graph, what is the distance the trolley has travelled after 2 seconds? __________
metres
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c) Discuss why you light a Bunsen with the air hole closed, but then you heat an object with
the air hole open.
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Part 2:
Close Up Look at Food Chains.
Objective: To understand factors that affect habitat and communities.
1. List 5 different environmental factors that could affect this bird.
(i)
(ii)
(iii)
(iv)
(v)
_______________________________________________
_______________________________________________
_______________________________________________
_______________________________________________
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Objective: To discuss adaptations of organisms.
2. Look at the picture of a seagull. Write down three adaptations it has. For excellence you need to give one
adaptation from each of the three types
For each adaptation explain how it helps the seagull survive.
(a)
Adaptation
How it helps the seagull to survive.
(b)
(c)
3. Objective: To know how to use a biological key
These are all New Zealand native creatures. Use the identification key on the next page to answer the
questions.
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STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
(i) wings
(ii) no wings
(i) wings project sideways
(ii) wings do not project sideways
(i) hind legs extend beyond body
(ii) hind legs do not extend beyond body
(i) wings cover abdomen completely
(ii) wings do not cover all of abdomen
(i) six legs
(ii) eight legs
Go to Step 2
Go to Step 5
Go to Step 3
Go to Step 4
Cranefly
Hunter wasp
Shield-bug
Bluebottle
Earwig
Leaping spider
a) What is Creature V? ____________________
b) Which creature is a cranefly? __________
c) From the key work out how many creatures have wings. __________
d) Which creature has wings which cover the whole abdomen and wings that do not project
sideways? ____________________
e) What are the characteristics of a leaping spider?
_________________________________________________________________
_________________________________________________________________
f) Discuss why keys are mainly based on the physical appearance of the animal.
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Objective: To know the parts of a microscope.
4. (i) Label the parts of this microscope
Part
A
Name of Part
A
B
B
C
D
C
E
D
F
E
F
(ii) On this microscope Part A had x15 marked on it. Part D had x4 marked on it. How much does this
microscope enlarge the image if these two parts are being used at the same time.
_________________________________________________________________________
(iii) A student put the letter p the correct way up under a microscope.
Draw what the student would see when they looked down the microscope in the box provided.
Objective: To know the characteristics of living things.
All living things have 8 features in common which can be represented with the words MRS C GREN.
a) Complete the spaces below to give the features. One is done for you.
M_____________ R_____________ S _____________
Cells G_____________ R_____________
E_____________ N_____________
b) David goes to eat an apple. He says it is not alive. His friend Sarah says it is dead. Explain which of them is correct.
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Objective: To understand food chains and food webs.
Here is a food web from the sea.
tiny plants
tiny animals
mussel
fish
periwinkle
seal
seaweed
starfish
limpet
crab
seagull
5. Use the food web above to answer the following questions.
a) Complete this food chain by filling in the missing link.
seaweed _______________ starfish
b) What eats periwinkle? ____________________
c) How many different foods does the fish eat? __________
d) Why do food chains start with a producer?
____________________________________________________
____________________________________________________
e) Draw the food chain from the food web with the greatest number of links.
____________________________________________________
f) Discuss the effect on the food chain of the removal of the starfish.
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Objective: To be able to distinguish between animal and plant cells.
6. Below are two diagrams of cells. One is a plant cell while the other is an animal cell. In the space
provided write down what type of cell each one is.
Type of cell: __________________________ Type of cell: _______________________
Cell 1 Cell 2
A
B
C
D
ii
i
E
F
iii
Write the names of the labelled parts of each cell in the boxes below.
A
B
C
D
E
F
7. Discuss the differences between a plant cell and an animal cell and relate them to the use of each cell.
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i
ii
iii
Page 10 of 24

Part 3:
Hokey Pokey
Question 1:
Write the chemical symbol for the following:
Hydrogen _______ Lithium _________ Calcium __________
Silicon _________ Potassium _______ Magnesium ________
Write the full name for the following:
S ______________ O _______________ Na _______________
B ______________ C _______________ Al ________________
Question 2:
Write the full name for the following:
CO 2 ___________________________
HCl ___________________________
H 2 O _______________________
NaCl ______________________
Write the formulae for the following:
Copper sulphate __________________
Sulphuric acid _______________
Question 3: Gas tests: In this topic you tested for three important gases. Complete the table
Name of gas Description of
the gas.
Carbon
dioxide
Formula Name of the test for the gas AND
what happens if the test is positive
H 2
Oxygen gas
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Question 4: Write a sentence to define the following:
Element_______________________________________________
____________________________________________________
Compound _____________________________________________
____________________________________________________
Mixture _______________________________________________
____________________________________________________
The following substances are elements, compounds or mixtures.
b) Write them into the correct column in the table below.
Tap Water gold Seawater oxygen paint
Sand copper salt tin steel
Baking soda
sugar
Element Compound Mixture
Question 5. The pictures below show a change in state.
Name the change in state and indicate whether energy is being added or removed.
A wet swimmer drying in the sun
Name __________________
Energy __________________
Dew forming on the grass
Name __________________
Energy __________________
An iceblock in the sun
Name __________________
Energy __________________
mist coming out the exhaust of a car
Name __________________
Energy __________________
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Question 6.
a) Write a paragraph to explain what happens to the water particles as a puddle evaporates.
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b) Discuss what is similar and what is different between a solid and a liquid in terms of the
particles in them.
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Question 7.
In class you saw sherbert being made and got to taste it. Making sherbert involved citric acid
and baking soda (which contains carbonate)
a) Explain why the sherbert did not fizz in the bag, but did fizz in your mouth.
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b) What gas was given off with the sherbert reaction?
____________________________________________________
Page 13 of 24

Question 8: During this topic you reacted many chemicals. Complete the following table.
Name of the Reactants Name of ONE Product ONE observation for each reaction
Magnesium and oxygen
Magnesium and
hydrochloric acid
Baking soda and
vinegar
Question 9: Acids and Bases and the pH scale.
(a) Count the number of atoms in the following molecules.
KCl ___________ Na 2 CO 3 ___________ MgCl 2 ______________ _________
(b) Litmus paper, Universal test paper and universal indicator are used to tell us the pH of a
solution. Complete the following table writing in the colour the paper / indicator would turn for
the solutions given.
Solution Red Litmus Blue Litmus UTP/Universal indicator
Tap water
acid
Base
Question 10: The picture below shows a jelly. In making the jelly there is a solvent, solute and a
solution. Name each:
Solvent:
Solute:
Solution:
Page 14 of 24

Part 4:
1.
Light
a) Circle the names of all the things below that are a source of light.
Sun mirror candle stars torch moon
b) Explain what is meant by a source of light.
____________________________________________________
____________________________________________________
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C) Fill in the missing angles when light reflects off a mirror.
d) Draw in the image of the letter in the mirror to show how it would look
Mirror
y
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e) Complete these ray diagrams, drawing in light rays with arrows to show direction of arrows after they
pass through the lens.
Clearly label the Focus (Focal Point) if appropriate
(ii)
g) Definitions Select the correct definitions from the list to match with the statements in the table
below. Write the word in the correct place on the table.
List; Transparent, Opaque, Reflection, Refraction, Focus (Focal Point), Normal
Write down the name of the part that matches these definitions below
Word
Definition
When light rays bounce off an object
The point where a lot of light rays meet
An imaginary line at right angles to a mirror
Means light will pass through
When light rays bend passing from one substance to another
Means light will not pass through
Page 16 of 24

The Human Eye
2 a) Here is a diagram of the Human eye.
E
D
A
B
C
Write down the names of the parts A-E in the table below.
Letter Name of part
b) Write down the name (or number) of the part that matches these definitions below
(i) The part that focuses light onto the Retina _______________
(ii) The part that controls the amount of light entering the eye _______________
(iii) The part that carries messages about light to the brain _______________
(iv) The part that contains light sensitive cells that detect light _______________
c) Explain why your eye has a blindspot.
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Page 17 of 24

A X B
Focus.
3. Examine the picture of the mirror above
(i) Is it a concave or convex mirror? ________________________
(ii) Draw in lines to show how the rays are reflected.
(iii) Explain how the image would change when viewed from A and then from B
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4. Draw a diagram in the space below to show how a periscope works
Include labelled
Mirrors
Light rays
Object
eye
Page 18 of 24

5. Colours
(a) Write down the 7 colours in a rainbow.
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(b) Name the triangular object that separates colours in white light to give a rainbow effect.
_____________________
(c) Discuss why a blue object looks blue in white light (You may wish to draw a diagram)
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(d) in blue light, what colour would a i) Blue object look? ______________________
ii) Red object look? ______________________
Page 19 of 24

Part 5:
Space
QUESTION ONE: SOLAR SYSTEM
(a) Describe what the rotation time (day) for a planet means.
___________________________________________________________________________
___________________________________________________________________________
(b)
(c)
Name the largest planet in our solar system ____________________________
Describe the difference between planets and moons.
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
(d)
Explain how tides are produced. Include a diagram in the space provided to illustrate your
explanation.
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An equinox is when day and night are of equal length. There are two equinoxes in a year. One equinox
occurs in spring, and the other in autumn.
(e) Use the position and movement of the Earth as it moves around the sun to discuss how and why
the two equinoxes occur. Use the space below for a diagram.
QUESTION THREE: SPACE EXPLORATION
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(f)
Describe one effect of weightlessness on the human body when travelling in space.
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(h)
Name TWO uses for satellites that orbit the Earth.
____________________________________________________
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QUESTION TWO: MOONS
(a)
Explain what causes an eclipse of the Moon (Lunar eclipse). A diagram should be included in the
space provided below.
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(b)
The following diagram illustrates the phases of the Moon.
(c) What do the terms waxing and waning (used in the diagram above) mean?
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(d) Discuss the cause of the Moon’s phases. Use the space below to draw a diagram to help show your
understanding.
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(e)
Name ONE planet, other than the Earth, that has moons.
______________________________
QUESTION THREE: DISTANCES IN SPACE
(a) Write down the letters placing the statements in order from the shortest distance to the longest
distance
A. Earth to Mars
B. Earth to the Southern Cross
C. Earth to Saturn
D Earth to Moon
Shortest
Longest
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(b) Explain the term LIGHT YEAR in terms of distance in space
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