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3 year Science Summer Test

Total questions: 112

Worksheet time: 2hrs 43mins

Name
Class
Date
1.
Salt dissolved in water.  
What method would you use to separate this mixture so that you can get the salt AND the water?
a)
sorting by hand
b)
distillation
c)
chromatography
2.
A solution that contains a large amount of solute is best described as 
a)
unsaturated
b)
concentrated
c)
dilute
d)
weak
3.
In the distillation apparatus shown, what are the parts labelled A and B?
a)
A = funnel, B = thermometer
b)
A = thermometer, B = funnel
c)
A = condenser, B = flask
d)
A = condenser, B = thermometer
4.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
5.
Sand and gravel may be separated from each other through using
a)
a filter funnel
b)
leibig condenser
c)
an evaporating basin
d)
sieve
6.
Dyes in water soluble markers may be separated by means of
a)
Distillation
b)
Decanting
c)
Chromatography
d)
Centrifuge
7.
The diagram shows the apparatus for separating soil and water. What are the labelled parts?
a)
A = distillate, B = filtrate
b)
A = filtrate, B = residue
c)
A = residue, B = filtrate
d)
A = residue, B = distillate
8.
Which one of the following is the name for separation technique in the picture below
a)
distillation
b)
dissolving
c)
evaporation
d)
decanting
9.
No matter what you do, sand will not dissolve in water, sand is _________ ?
a)
dissolved
b)
soluble
c)
insoluble
d)
aqueous
10.
Adding more solvent to a solution will make it more
a)
concentrated
b)
diluted
c)
coloured
d)
wet
11.
An example of a mixture is 
a)
Water and oil
b)
Cereal and Milk 
c)
Sand and water 
d)
All of the above
12.
The drops of water that appear on the outside of a glass of cold water on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
13.
Iron and copper screws could be separated using a magnet because
a)
iron is magnetic, copper is not
b)
copper is magnetic, iron is not
c)
neither metal is magnetic
d)
copper screws are heavier than iron and fall off the magnet
14.

Stronger acids have a pH closer to...

a)

7

b)

0

c)

14

d)

9

15.

Weaker bases have a pH closer to...

a)

8

b)

0

c)

14

d)

4

16.

A pH level of 7 indicates

a)

acid

b)

base

c)

neutral

d)

none of the following

17.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-14

18.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
19.

What is the only substance with a neutral pH of 7?

a)

Milk

b)

Orange Juice

c)

Pure water

d)

Bleach

20.

Which of the following is an acid?

a)

soap

b)

baking soda

c)

orange juice

d)

pure water

21.

What would be considered the weakest base?

a)

3

b)

14

c)

8.2

d)

11.6

22.

Which property is not associated with acids?

a)

Sour taste

b)

strong acids can burn you

c)

turns litmus paper blue

d)

reacts with metals

23.

What type of paper is used to test for acids and bases?

a)

Red paper

b)

Blue paper

c)

Lined paper

d)

Litmus paper

24.

You test a solution with pH paper, and the paper turns blue. The solution is ______.

a)

neutral

b)

an acid

c)

a base

d)

an acid & a base

25.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
26.
acid + base ₋>
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
27.
HCl + NaOH → 
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
28.
I am titrating 1M HCl with 1M NaOH.  I have 25mL of HCl. How much NaOH will I need?
a)
2.5mL
b)
5mL
c)
25mL
d)
50mL
29.
what is the reading on this burette?
a)
4.40mL
b)
3.50mL
c)
3.60mL
d)
4.50mL
30.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

31.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

32.

Contains chlorophyll (green pigment) and uses the sun to make food

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

33.

rigid outer layer that supports and allows it to grow tall

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

34.

controls movement of materials in and out of the cell, maintains homeostasis

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

35.

jelly like material that protects cell organelles

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

36.

"power house" of the cell - converts sugar into energy

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

37.

fluid-filled sacs that store food

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

38.

the brain of the cell

a)

cytoplasm

b)

mitochondrion

c)

nucleus

d)

vacuoles

39.

Which of these is not found in the animal cell and is found in the plant cell? Pick more than one

a)

cell membrane

b)

cell wall

c)

chloroplast

d)

cytoplasm

40.

What is #1 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

41.

What is #2 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

42.

What is #5 in the diagram?

a)

nucleus

b)

cell wall

c)

cytoplasm

d)

mitochondrion

43.

What is #3 in the diagram?

a)

vacuoles

b)

cell membrane

c)

chloroplast

d)

nucleus

44.

What kind of cell is this?

a)

plant

b)

animal

45.

What kind of cell is this?

a)

plant

b)

animal

46.

What tool helps us to see cells?

a)

scale

b)

graduated cylinder

c)

microscope

d)

thermometer

47.

What type of cell is pictured above?

a)

Plant Cell

b)

Animal Cell

48.

What type of cell is pictured above?

a)

Plant Cell

b)

Animal Cell

49.

What type of cell is pictured above?

a)

Plant Cell

b)

Animal Cell

50.
Where within the cell does photosynthesis take place?
a)
the cytoplasm
b)
the chloroplasts
c)
the mitochondria
d)
the nucleus
51.
What is the chemical equation for cellular respiration?
a)
Glucose + Oxygen -> Carbon dioxide + Water + Energy
b)
Oxygen + Carbon dioxide + Energy  -> Glucose + Water
c)
Carbon dioxide + Glucose -> Oxygen + Water + Energy
d)
Water + Carbon dioxide + Energy -> Oxygen + Glucose
52.
What is the equation for photosynthesis? 
a)
Water + Carbon dioxide + Energy -> Oxygen + Glucose
b)
Carbon dioxide + Glucose -> Oxygen + Water + Energy
c)
Oxygen + Carbon dioxide + Energy  -> Glucose + Water
d)
Glucose + Oxygen -> Carbon dioxide + Water + Energy
53.
Where does cellular respiration take place?
a)
Mitochondria
b)
Chloroplast
c)
Stomata
d)
Leaf
54.
Glucose is a form of ______ Energy. 
a)
Radiant
b)
Chemical
55.
What pigment in the leaf captures energy from the sun?
a)
carbon
b)
chlorophyll
c)
air
d)
chloroplast
56.
Carbon dioxide enters the leave through what opening?
a)
root
b)
stem
c)
stomata
d)
stomach
57.
What is absorbed by the tree roots and transported to the leaves?
a)
air
b)
water
c)
carbon
d)
glucose
58.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
59.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
60.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
61.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
62.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2 
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
63.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
64.
1 kilogram=
a)
100 grams
b)
1000 grams
c)
10 grams
d)
10000 grams
65.
What is liquid volume measured in? 
a)
kilograms and grams
b)
liters and milliliters
c)
liters and grams
d)
mililiters and kilograms
66.
How many milliliters is this? 
a)
500mL
b)
700mL
c)
650mL
d)
550mL
67.
Which best describes capacity? 
a)
How long a container is
b)
The distance around a container
c)
How much a container holds
d)
How much liquid is in a container
68.
Which is the mass of the apples?
a)
2kg
b)
3kg
c)
1kg
d)
4kg
69.
What would you use to measure this cow?
a)
Grams
b)
Kilograms
70.
What is the SI unit for mass?
a)
kilograms 
b)
meters
c)
pounds
d)
liters
71.
What is weight?
a)
a measure of the force of gravity acting on an object
b)
a measure of the amount of matter an object contains
c)
the amount of space an object takes up
d)
don't ask me that, I'm sensitive
72.
How do you calculate density?
a)
mass divided by volume
b)
volume divided by mass
c)
mass times volume
d)
very carefully
73.
What will never change, wherever you are in the universe?
a)
mass
b)
weight
74.
How do you measure the volume of an irregular solid?
a)
displacement method
b)
length x width x height
c)
mass divided by volume
d)
kick it
75.
How do you measure the volume of an irregular solid?
a)
displacement method
b)
length x width x height
c)
mass divided by volume
d)
kick it
76.
What is the volume of the battery?
a)
17 cm3
b)
5 cm3
c)
22 cm3
d)
24 ml
77.
1000 mg = _____g
a)
0.001
b)
1
c)
1,000,000
d)
100
78.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
79.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
80.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
81.
Calculate the density of the cube.
a)
.33 g/cm3
b)
.4 g/cm3
c)
.6 g/cm3
d)
.5 g/cm3
82.
Waldriana would like to investigate the effect of temperature on the amount of food birds eat.  What should she do first to begin her investigation?
a)
develop a question 
b)
conduct background research
c)
design an experiment
d)
come up with a theory
83.
Rigoberto writes down his hypothesis that more salt will dissolve in cold water than in warm water.  He adds salt to different temperatures of water and records his observations including the amount of undissolved salt.  He finds that there is more salt dissolved in warm water than cold water.  What should Rigoberto do next to make sure that his conclusion is valid?
a)
do another investigation with sugar
b)
repeat his investigation using a different liquid than water
c)
repeat his investigation to see if his results are the same
d)
change his results to match his original hypothesis
84.
Which question would be best to answer using a scientific investigation?  
a)
Why are people afraid during thunderstorms?
b)
How easy is it to shovel snow?
c)
Are some clouds prettier than others?
d)
Does temperature affect the amount of rain?
85.
How many variables should be changed in a simple experiment?
a)
5
b)
3
c)
1
d)
6
86.
A scientist says that she has made an important discovery about sound waves.  What needs to happen for most other scientists to accept her results?
a)
The scientist has to explain her results to other scientists.
b)
Many scientists need to review the results.
c)
The scientist needs to publish her results in a journals.
d)
Other scientists need to be able to get the same results.
87.
1.  Why is it important to have a control in an investigation?
a)
Controls are used to show that different results are caused by changing the variable.
b)
Without controls, it is not possible to make a hypothesis.
c)
A control helps us to predict.
d)
Controls are the answer to the investigative question.
88.
A valid scientific investigation must be able to be 
a)
graphed.
b)
predicted.
c)
replicated (which means repeated)
d)
observed.
89.
Which would be the best source of information for a scientist?
a)
a TV program
b)
a book review
c)
a newspaper article
d)
an article in a science journal
90.
Jonathan and Renier dropped a rubber ball from the same height onto six different surfaces.  They measured the height of each bounce and recorded their data.  The graph shows their data.  Based on the data, which of the following is the best conclusion?
a)
All balls bounce higher indoors than they do outdoors.
b)
The surface has no affect on the height of the bounce.
c)
A rubber ball does not bounce as high as a super ball.
d)
A rubber ball bounces higher on harder surfaces.
91.
The factor in an experiment that will be changed. 
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
inferences 
92.
You use your five senses to describe something
a)
observation
b)
prediction
c)
experiment
d)
conclusion
93.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
94.
The test of a hypothesis is called a
a)
control
b)
dependent variable
c)
conclusion
d)
experiment
95.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
conclusions
c)
independent variables
d)
constants
96.
A possible explanation to a problem or question that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
97.
What is a hypothesis?
a)
Your best "educated guess" of what the answer to your question will be
b)
An untestable statement
c)
Whatever the teacher tells you is the truth
d)
An experiment
98.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
99.
A hypothesis is simply a prediction that has not yet been _.
a)
proven or disproven
b)
made into a theory
c)
results calculated
d)
written about
100.
What do you do after chemicals got in your eye.
a)
Run and scream to the hospital.
b)
Wash your eyes out in eye station for 15 minutes
c)
Ignore it.
d)
Tell a teacher.
101.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
102.
a)
Series circuit
b)
Parallel circuit
c)
open circuit
d)
not a circuit
103.
What would happen if the switch was opened?
a)
nothing, the light bulbs would still work because there is a complete path
b)
The light bulbs would not work because the path was broken
c)
the battery would loose energy
d)
the wires would be cooled from air
104.
This circuit
a)
has one path for electricity to flow
b)
has two paths for electricity to flow
c)
has three paths for electricity to flow
105.
A conductor is ____________
a)
something that allows electric current to flow easily
b)
something that limits the flow of electricity
106.
All metals conduct electricity equally well. 
a)
True
b)
False
107.

Why is electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

108.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulate electricity

109.

Which of the following materials is an electrical conductor?

a)

Plastic spoon

b)

Silver-colored plastic spoon

c)

copper spoon

d)

wooden spoon

110.

A material that does NOT let electricity pass through it is called ...

a)

An electrical conductor

b)

An electrical insulator

c)

An electrical source

d)

An electric appliance

111.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

112.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

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