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Cambridge science U1,2,3 test Level 6

Total questions: 88

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
A physical change is 
a)
burning wood
b)
rusting metal
c)
cutting fruit
d)
cooking eggs
2.
Lemonade is a solution because
a)
it is a combination of two or more substances and a new kind of matter is made.
b)
it is one substance whose kind of matter is not changed.
c)
it is a combination of two or more substances and the kind of matter of each is not changed.
d)
it is one substance whose kind of matter is changed.
3.
When water changes from a liquid to a solid, it ______________ which is a ___________ change.
a)
melts, chemical
b)
melts, physical
c)
freezes, physical
d)
freezes, chemical
4.
When water changes from a liquid to a solid, it ______________ which is a ___________ change.
a)
melts, chemical
b)
melts, physical
c)
freezes, physical
d)
freezes, chemical
5.
A tossed salad is an example of a 
a)
mixture
b)
solution
c)
melted substance
d)
chemical change
6.
Mixtures are
a)
are made of 2 or more substances 
b)
1 substance
7.
Which of the following sports uses water it its solid state?
a)
Water skiiing
b)
Conoeing
c)
Ice Hockey
d)
Swimming
8.
Which of these show how liquid water changes as the temperature of the air decreases?
a)
Water -> Gas
b)
Gas -> Water
c)
Water -> Ice
d)
Ice -> Water
9.
Temperature when a solid becomes a liquid
a)
melting point
b)
condensation
c)
freezing point
d)
boiling point
10.
State of matter with no definite volume or shape is a
a)
solid
b)
liquid
c)
gas
d)
matter
11.
In a ______________, the particles move freely at high speeds.
a)
solid
b)
liquid
c)
gas
12.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
13.

Which of these equations does the diagram support?

a)

Oxygen + Water + Sunlight = Carbon dioxide + Glucose

b)

Glucose + Water + Sunlight = Carbon dioxide + Oxygen

c)

Water + Carbon dioxide + Sunlight = Glucose + Oxygen

d)

Carbon dioxide + Glucose = Sunlight + Water + Oxygen

14.

Human activities are adding to climate change by...

a)

Increasing the amount of fun we have everyday.

b)

Adding more pollution to the oceans and seas.

c)

Adding to the amount of greenhouse gases in our atmosphere.

15.

Select the evidence below that supports climate change is indeed happening to the Earth.

a)

The amount of precipitation is decreasing in some places.

b)

The average temperature on Earth is increasing.

c)

Ice in the North and South Pole is melting.

d)

All of these are correct.

16.

What is the definition of matter?

a)

Anything that people can see

b)

Air

c)

Solids objects

d)

Anything that has mass and takes of space

17.
Food is broken down to supply energy for your body in the ____________
a)
digestive system
b)
endocrine system
c)
excretory system
d)
reproductive system
18.
How is a physical change different from a chemical change?
a)
There is absolutely no difference
b)
Chemical changes produce a new substance, physical changes stay the same substance
c)
Chemical changes create and destroy matter, physical changes don't
d)
Physical changes create and destroy matter, chemical changes dont
19.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
20.
Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?
a)
skeletal
b)
muscular
c)
digestive
d)
nervous
21.
Which system takes oxygen into the body and eliminates carbon dioxide?
a)
immune
b)
nervous
c)
respiratory
d)
circulatory
22.
Which system takes food into the body, breaks down food, and absorbs the digested materials?
a)
respiratory
b)
circulatory
c)
digestive
d)
excretory
23.
Which system detects information from the environment and directs the way your body responds to this information?
a)
excretory
b)
circulatory
c)
respiratory
d)
nervous
24.
Which system includes bones, cartilage, and ligaments?
a)
nervous
b)
muscular
c)
skeletal
d)
excretory
25.
Which system includes the mouth, esophagus, and the small and large intestines?
a)
nervous
b)
excretory
c)
respiratory
d)
digestive
26.
Which system includes the kidneys, ureters, urinary bladder, urethra, lungs and skin?
a)
digestive
b)
excretory
c)
circulatory
d)
muscular
27.
What is the level o organization known as a group of cells that work together?
a)
cells
b)
organ system
c)
organ
d)
tissue
28.
Which of the following shows the steps of the reproduction cycle for flowering plants in order?
a)
pollination → fertilization → seed dispersal → germination
b)
fertilization →pollination → germination → seed dispersal
c)
pollination → germination → seed dispersal → fertilization
d)
germination→ seed dispersal →fertilization → pollination
29.
Which of the following is NOT a way that seed dispersal happens in plants?
a)
by air
b)
by animals
c)
by sunlight
d)
by water
30.
An orchid is a type of flowering plant. A pine tree is a type of nonflowering plant. Which of the following stages is common to both kinds of plants?
a)
production of cones
b)
production of seeds
c)
production of fruit
d)
production of flowers
31.
Which terms should you use to label the main stages in the life cycle of cockroaches?
a)
egg, nymph, adult
b)
egg, larva, adult
c)
chrysalis, nymph, adult
d)
chrysalis, larva, adult
32.

Which best describes the circulatory system?

a)

It protects the major organs of the body

b)

It breaks food into nutrients for the body.

c)

It sends messages to the brain to protect the body.

d)

It transports oxygen-rich blood throughout the body.

33.

Which task in the human body is accomplished through the combined efforts of the cardiovascular and muscular systems?

a)

protecting major body organs

b)

pumping blood throughout the body

c)

releasing waste products from the body

d)

moving water and nutrients from one organ to another

34.

How does the circulatory system work with the digestive system?

a)

Blood is used to build muscle strength.

b)

Food is broken down in the bloodstream.

c)

Blood carries nutrients throughout the body.

d)

Food waste is filtered by the heart and blood vessels.

35.
Which of these examples are a solid?
a)
water
b)
oxygen
c)
orange juice
d)
rock
36.
If an ice cube is left out in  room it will change from one state of matter to another.  Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
37.
 Which is true?
a)
Oil is more dense than water
b)
the crayon is more dense than the pasta
c)
the paperclip is less dense than oil
d)
the popsicle stick is the least dense item
38.
To determine if a piece of matter will sink or float, a student would...
a)
Use a hand lense to examine its physical properties.
b)
Measure its mass by using a spring scale.
c)
Use a magnet to see if it attracts.
d)
Place the object in a container of water.
39.
What change happens when water mixes with sugar?
a)
The appearance of sugar changes.
b)
The shape of water changes
c)
The taste of sugar changes
d)
The state of water changes
40.
What property of tea changes when it is mixed with sugar?
a)
color
b)
taste
c)
shape
d)
state
41.
Students collected data on the appearance of four substances and how they reacted when mixed with water. Which substances dissolved when mixed with water?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
42.
A single part of a mixture or solution.
a)
substance
b)
mixture
c)
physical change
d)
solution
43.
A combination of two or more substances where each keeps its own properties and both can be easily separated.
a)
mixture
b)
solution
c)
substance
d)
physical change
44.
Make different without changing what the material is made of, such as cutting, folding, or melting.
a)
physical change
b)
mixture
c)
solution
d)
mass
45.
Make different without changing what the material is made of, such as cutting, folding, or melting.
a)
physical change
b)
mixture
c)
solution
d)
mass
46.
Spread out uniformly in a liquid.
a)
dissolve
b)
mixture
c)
solution
d)
soilid
47.

Light is a form of

a)

energy

b)

wave

c)

ray

d)

prism

48.

light moves in

a)

waves

b)

rays

49.

Light can travel through air, water and space.

a)

True

b)

False

50.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate
51.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
52.
What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?
a)
solid
b)
liquid
c)
gas
d)
plasma
53.
Name the 3 states of Matter
a)
Solid, Liquid and Gas
b)
Solid and Gas
c)
Liquid and Gas
54.
What is a Solid?
a)
Matter that has a definite shape and a definite size.
b)
Matter that has a definite size and no definite shape
c)
Matter that has no definite shape or size
d)
Matter that has no definite shape and size
55.
A Gas is a state of matter that has _____________________________________________________
a)
No definite size or shape
b)
No shape but a defenite size
c)
A changing shape
56.
Which has particles that travel faster?
a)
gas
b)
solid
57.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
58.

Solubility is

a)

when a substance can carry heat or energy

b)

when a solute dissolves into a solvent making a solution

c)

the ability of a substance to increase in volume as temperature increases

d)

The ability of particles to move from high concentration to low concentration

59.

True or False: A substance will diffuse faster at low temperatures.

a)

True

b)

False

60.

To separate a mixture of salt and water what separation tool/method is used?

a)

Filter

b)

Sieve

c)

Magnet

d)

Evaporation

61.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

62.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

63.

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

a)

20 grams

b)

0 grams

c)

27 grams

d)

10 grams

64.

Sand and gravel may be separated from each other through using..

a)

a filter funnel

b)

a sieve

c)

an evaporating basin

d)

a distillation

65.

The best way to separate trail mix would be:

a)

filter

b)

by hand

c)

sieve

d)

evaporation

66.

What tool is this?

a)

sieve

b)

filter

67.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

68.

If I have a mixture of wooden blocks and metal blocks. What is a fast way to separate them?

a)

relative density (put them in water)

b)

filter

c)

sieve

69.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
70.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
71.
Exploding Fireworks?
a)
Physical Change 
b)
Chemical Change 
72.
Rotting bananas?
a)
Physical Change
b)
Chemical Change
73.
If enough heat is taken away from a container of water, what will happen to the water?
a)
It will begin to boil.
b)
It will become a solid.
c)
It will turn into a gas.
d)
It will increase in weight.
74.
What happens when a piece of wood burns?
a)
A physical change takes place.
b)
A chemical change takes place.
c)
The wood loses its gravity.
d)
The wood loses its inertia.
75.
The diagram below shows changes happening to water in a specially shaped bottle.
What changes did the water undergo?
a)
melting and then freezing
b)
freezing and then evaporation
c)
condensation and then melting
d)
evaporation and then condensation
76.
A change that does not result in a new substance.
a)
Physical Change
b)
Chemical Change 
77.
Students observed as small drops of water collected on the outside of a glass.
Which statement BEST describes why the water vapor in the air formed liquid water on the outside of the glass?
a)
The humidity outside the glass turns the vapor to liquid water.
b)
The water vapor pulls the water from inside the glass to outside the glass.
c)
The temperature of the water inside the glass is colder than the air outside the glass.
d)
The temperature of the water inside the glass is warmer than the air outside the glass.
78.
A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?
a)
cutting a piece of paper
b)
folding a piece of paper
c)
tearing a piece of paper
d)
burning a piece of paper
79.
A student is creating a potting soil mix. She combines 100 grams of sand, 200 grams of soil, and 200 grams of pebbles to make her potting soil. What is the mass of the potting soil?
a)
100 grams 
b)
200 grams
c)
300 grams
d)
500 grams
80.
A group of students investigated physical and chemical changes using paper.  The students recorded their observations in a table.
Which student correctly recorded all the changes that took place?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
81.

is this object...

a)

opaque

b)

transparent

c)

translucent

d)

sedimentary

82.

what is it called when this happens?

a)

refraction

b)

reflection

c)

bent light

d)

light

83.
Which of the following is NOT needed for a producer to make its own food?
a)
sunlight
b)
water
c)
carbon dioxide
d)
oxygen
84.
Food provides animals with the materials and energy they need for growth, warmth, and motion. Plants get material for growth mostly from air and water, and obtain energy from sunlight. Producers provide food to consumers because ___.
a)
plants can easily make food from soil and water
b)
animals cannot produce their own food
c)
plants are more abundant in ecosystems
d)
many animals prefer eating plants to eating meat
85.
Which of the following would have the greatest impact on the food web if it were removed?
a)
rabbit
b)
oak tree
c)
chipmunk
d)
deer
86.
Which statement is true?
a)
Oil is the most dense substance.
b)
Corn syrup is less dense than water.
c)
Oil is less dense than water.
d)
Oil and corn syrup have the same density but different masses.
87.
In which state does matter completely fill its closed container?
a)
Gas
b)
Liquid
c)
Solid
d)
Ice
88.
The measure of how much space an object takes up is the _____.
a)
Matter
b)
Mass
c)
Volume
d)
Density

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