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Y7 All topics Quiz

Total questions: 121

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

What do you call a characteristic of a living thing that helps it survive?

a)

an adaptation

b)

a modification

2.

What part of a hummingbird is adapted to help it obtain food from inside flowers?

a)

beak

b)

wings

c)

eyes

d)

head

3.

Which type of bird has a beak adapted to help it scoop up fish?

a)

hawk

b)

pelican

c)

finch

d)

hummingbird

4.

Mr. Walker plants a new plant next to a tall tree in his yard. It is partly in the sun, but is mostly in the shade. He notices that it is growing with all of its leaves on one side. Why is the plant growing this way?

a)

It is dying.

b)

It is trying to get sunlight.

c)

It is trying to stay in the shade.

d)

It wants to be closer to the tree.

5.

When a fly lands in a spiders web, the spider uses the vibration to locate it.


What sense does the spider use during this process?

a)

The sense of sight.

b)

The sense of smell.

c)

The sense of touch.

d)

The sense of hearing.

6.

In the warm southwest United States rabbits are brown and have long ears. In polar regions rabbits are white and have shorter ears.Why do rabbits from polar regions have white fur?

a)

The white fur is more attractive.

b)

The white fur camouflages them in the snow.

c)

The white fur reflects more light warming the rabbit.

d)

The white fur makes the rabbits stand out in the snow.

7.
How quickly do animals develop adaptations?
a)
in a week
b)
over a year
c)
over generations
d)
throughout their life
8.
When all of the organisms of a species have died it is called
a)
evolution
b)
extinction
c)
adaptation
d)
natural selection
9.
What is an organism that has similar characteristics and can reproduce?
a)
species
b)
organism
c)
embryology
d)
vestigial 
10.
Predict which moth would increase in population
a)
light 
b)
dark
11.
Which of the following traits is not inherited?
a)
Fur color
b)
Feathers
c)
Hair color
d)
A suntan
12.
This scientist developed the theory of evolution as he studied the finches.
a)
Charles Darwin
b)
Isaac Newton
c)
Albert Einstein
d)
Marie Curie
13.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
14.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
15.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
16.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
17.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
18.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
19.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
20.
Which has a greater distance between particles?
a)
Solid
b)
Liquid
21.
The teacher heats a pot of water. Once the water reaches 100°C, which point has the water reached?
a)
Boiling
b)
Melting
c)
Freezing
d)
Evaporating
22.
Particles have energy and _________ stop moving
a)
rarely
b)
always
c)
never
d)
sometimes
23.
As molecules gain energy, they move _____ and spread apart, and vise versa.
a)
faster
b)
slower
c)
less
d)
inside
24.
Alex noticed that a metal door that sticks on hot days does not stick when it cools off at night. This is because the metal contracts as it cools. The reason for this is that, as the metal cools, the atoms:
a)
become smaller and take up less space
b)
 slow down and move closer together
c)
merge together to form fewer atoms
d)
speed up and move farther apart
25.
The liquid in the thermometer rises when it is placed in the hot water because ___________. 
a)
it gains heat from the hot water and expands.
b)
loses heat from the hot water and contracts. 
c)
the surrounding air is too warm. 
d)
the liquid is boiling. 
26.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
27.
A rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
28.
What is the density of a liquid that has a mass of 27g and a volume of 30mL?
a)
0.9 g/mL
b)
3 g/mL
c)
57 g/mL
d)
810 g/mL
29.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
30.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
31.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
32.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
33.
An eraser has a mass of 4g and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
34.
A paper clip has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
35.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
36.
Which box has a greater density?  
a)
Box A
b)
Box B
37.
Will an object with a density of 1.01 g/cm3 float or sink?
a)
float
b)
sink
38.
What are the correct units of measurement for density?
a)
g/cm
b)
cm3
c)
g/mL
d)
g/lb
39.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
40.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
41.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
42.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
b)
The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the shoe exerts the same pressure as the bottom of the boot.
43.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
44.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
45.
If the horse reared up on 2 legs what effect would it have on the pressure?
a)
it will exert half the pressure it did before
b)
it will exert the same pressure it did before
c)
it will exert twice the pressure it did before
d)
it will exert four times the pressure it did before
46.
Which of the following is found farthest from the center of an atom?
a)
nucleus
b)
proton
c)
neutron
d)
electron
47.
Use the picture of an atom below to answer the question.

Which statement best describes the part of the atom that is shown by the letter B?
a)
It is an electron, and it has a negative charge.
b)
It is an electron, and it has a positive charge.
c)
It is a proton, and it has a negative charge.
d)
It is a neutron, and it has a neutral charge.
48.
Cobalt (Co) has 27 protons in each atom. Based on this information, which of the following also describes an atom of Cobalt?
a)
It has no neutrons.
b)
It has 27 electrons.
c)
It has 13 neutrons and 14 electrons.
d)
It has a total of 86 neutrons and electrons.
49.

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

a)

groups

b)

towers

c)

periods

d)

atomic numbers

50.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
51.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
52.

What is a force?

a)

it is anything which is capable of changing the state of

motion or rest of a body, or deforming it.

b)

It is anything that occupies a space and has mass and volume.

c)

It is a device that is used to measure forces and to weigh bodies.

d)

is a change of position of a body over time with respect to a reference system which is considered fixed.

53.

The unit of force is the Newton

a)

N

b)

n

c)

Nn

54.

Elastic materials are

a)

those that deform when a force is applied.

b)

those that deform but return back to their original shape

c)

those that can be applied forces but go back to the beginning

d)

None is correct.

55.

Plastic materials are

a)

those that deform with a form but do not return back to their original shape.

b)

those that deform with a form and return back to their original shape.

c)

None is correct.

d)

A non-eco-friendly material

56.

It two forces are the same size, something will happen. The forces are unbalanced.

a)

True.

b)

False.

57.

Friction is the force between two touching things.

a)

True.

b)

False.

58.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
59.
Which of these is NOT a force?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Electrical resistance
60.
In which direction does gravity act?
a)
Downwards
b)
Upwards
c)
In all directions
d)
Towards the centre of the Earth
61.
What force does a parachute use to slow things down before hitting the ground?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Wind
62.
What type of force is air resistance?
a)
Contact
b)
Non-contact
63.
When two objects rub together, what force do they produce
a)
Gravity
b)
Air resistance
c)
Friction
d)
Water resistance
64.
What is the chemical symbol for the element hydrogen
a)
H
b)
He
c)
h
d)
he
65.
What is the chemical symbol for the element Silicon
a)
S
b)
Si
c)
si
d)
Sl
66.
What is the chemical symbol for the element Carbon
a)
ca
b)
co2
c)
C
d)
Cd
67.
What is the chemical symbol for the element copper?
a)
co
b)
c
c)
Cu
d)
cu
68.
What is the chemical symbol for the element Aluminum
a)
A
b)
AL
c)
Al
d)
al
69.
What is the chemical symbol for the element Nitrogen
a)
Ni
b)
N
c)
No
d)
Nb
70.
What is the chemical symbol for the element oxygen
a)
O
b)
Oxy
c)
ox
d)
Oy
71.
What is the chemical symbol for the element Silver
a)
S
b)
Si
c)
Au
d)
Ag
72.
What is the chemical symbol for the element Chlorine
a)
C
b)
Cl
c)
cl
d)
Ch
73.
What is the chemical symbol for the element Gold
a)
G
b)
go
c)
AU
d)
Au
74.
What element is represented by the Chemical symbol Mg
a)
Manganese
b)
Magnesium
c)
Molybdenum
d)
Mitrium
75.
What is the chemical symbol for the element Zinc
a)
Z
b)
Zn
c)
Zr
d)
zn
76.
What is the chemical symbol for the element Helium
a)
He
b)
he
c)
H
d)
h
77.
What is the chemical symbol for the element Calcium
a)
C
b)
Ca
c)
Cl
d)
CL
78.
What is the chemical symbol for the element Sodium
a)
Na
b)
So
c)
S
d)
Sd
79.
What is the chemical symbol for the element Phosphorus
a)
p
b)
P
c)
Ph
d)
Ps
80.
What is the chemical symbol for the element Potassium
a)
K
b)
P
c)
Po
d)
Pt
81.
What is the chemical symbol for the element Iodine
a)
I
b)
Io
c)
Id
d)
In
82.
What is the chemical symbol for the element Fluorine
a)
F
b)
Fl
c)
Flu
d)
f
83.

Does this show an element, a mixture or a compound?

a)

Compound

b)

Mixture

c)

Element

84.

What is the name of the process that occurs when salt is added to water and then stirred until the solid is no longer visible?

a)

Filtration

b)

Evaporation

c)

Dissolving

85.

In what type of substance does diffusion take place most quickly?

a)

Solid

b)

Liquid

c)

Gas

86.

What name is given to a substance that contains two types of atom that are not chemically joined together?

a)

Element

b)

Compound

c)

Mixture

87.

In a salt solution, what is the solute?

a)

The water

b)

The salty water

c)

The salt

88.

What process allows you to smell freshly baked bread in a supermarket, even when you are far from the bakery aisle?

a)

Evaporation

b)

Diffusion

c)

Chromatography

89.
The physical separation of mixtures into individual components is..
a)
chromatography
b)
opacity 
c)
latent
d)
trace evidence 
90.
Two or more substances that are chemically combined is a ___
a)
compound
b)
mixture
c)
solvent
d)
solute
91.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
92.

James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

93.

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

a)

Rocks

b)

sugar

c)

pepper

d)

sand

94.

What item could a magnet separate from a mixture of garbage?

a)

Old metal fork

b)

An apple core

c)

Pieces of paper

d)

A juice can

95.

What mixture could you use this tool to best separate that mixture?

a)

Sugar and Salt

b)

Sand and rocks

c)

Apples and grapes

96.

All living things...

a)

reproduce

b)

must make flowers

97.

______ are often the most colorful part of the flower.

a)

petals

b)

pistils

c)

stamens

98.

Which choice describes the behavior of an electric charge?

a)

Like charges attract. Unlike charges repel.

b)

Like charges repel. Unlike charges attract.

c)

Like charges attract. Unlike charges attract.

d)

Like charges repel. Unlike charges repel.

99.

In order to work, a circuit must be:

a)

Open

b)

Closed

100.

An example of a conductor is:

a)

Steel

b)

Wool

c)

Plastic

d)

Fabric

101.

An electric circuit contains a battery, a switch, and a bulb. Which of the following will MOST LIKELY happen if you add another battery to the circuit?

a)

The bulb will not shine

b)

The bulb will shine brighter than it did with one battery

c)

The bulb will shine the same

d)

The bulb will shine half as bright as it did with one battery

102.

Which of the following is an insulator?

a)

an eraser

b)

a wire

c)

a penny

d)

a metal spoon

103.

What is the purpose of a fuse?

a)

to break the circuit and turn the power off if there is too much power being run

b)

to add more power to the circuit

c)

to be a conductor

d)

to be an insulator

104.

A parallel circuit has more than one path for electricity to flow

a)

true

b)

false

105.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

106.
The picture shows an electrical circuit.  This circuit is a series circuit because: 
a)
it has 3 light bulbs.
b)
the same current flows through all three light bulbs.
c)
it uses a single battery.
d)
the electrical current has more than one path to flow through
107.

This is the symbol for a...

a)

Thermistor

b)

Bulb

c)

Fixed Resistor

d)

Ammeter

108.

This is the symbol for a...

a)

Motor

b)

Ammeter

c)

Bulb

d)

Voltmeter

109.

This is the symbol for a...

a)

Light Dependent Resistor

b)

Light Emitting Diode

c)

Thermistor

d)

Cell

110.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

111.

This is the symbol for a...

a)

Fuse

b)

Cell

c)

Fixed Resistor

d)

Variable Resistor

112.
what is this symbol for?
a)
light bulb
b)
cell
c)
battery
d)
resistor
113.

A student uses a length of wire as a resistor. He makes a second resistor from the same material.

To be certain of making a second resistor of higher resistance, he should use a piece of wire that is:

a)

longer and thicker.

b)

longer and thinner.

c)

shorter and thicker.

d)

shorter and thinner.

114.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs. 
115.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
116.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
117.
How should you put in an Ammeter?
a)
In Parallel
b)
In Series
118.
A voltmeter should be placed ........... in a circuit
a)
in parallel
b)
in series
c)
in order
d)
upside down
119.
A 12 volt battery supplies voltage to two bulbs. How much voltage would each bulb get?
a)
6 volts
b)
12 volts
120.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
121.
This is the symbol for a _____?
a)
Lamp
b)
Water wheel
c)
Loudspeaker
d)
Motor

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