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y7 checkpoint

Total questions: 66

Worksheet time: 1hrs 17mins

Name
Class
Date
1.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
2.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

3.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
4.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
5.
What is the net force of an object that is not moving?
a)
0 N
b)
100 N
c)
Upward force
d)
10 N
6.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
7.

Which example would be a balanced force?

a)

Train moving at a constant speed in the same direction.

b)

A skier going down a hill.

c)

A basketball being passed to a teammate.

d)

An apple falling to the floor.

8.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
9.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
10.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
11.

The biker travels at constant velocity. All of the following are true except-

a)

he has a net force acting on him.

b)

the normal force is equal to his weight.

c)

the force of friction acts opposite the direction of his motion.

d)

the force of friction is equal to the forward force he applies.

12.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
13.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

14.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

15.

This type of energy is the energy of moving molecules

a)

Thermal Energy

b)

Radiant Energy

c)

Electrical Energy

d)

Nuclear Energy

16.

This type of energy is related to the movement of light.

a)

Nuclear Energy

b)

Thermal Energy

c)

Radiant Energy

d)

Electrical Energy

17.

In nature, lightning is one form of this type of energy

a)

Chemical Energy

b)

Radiant Energy

c)

Nuclear Energy

d)

Electrical Energy

18.

This type of energy is created when the nuclei of atoms are split or fused

a)

Radiant Energy

b)

Thermal Energy

c)

Nuclear Energy

d)

Mechanical Energy

19.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
20.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
21.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
22.

How would you increase the Gravitational Potential Energy at Position D?

a)

Make the hill higher

b)

Make the hill lower

c)

There is no way to increase Gravitational Potential Energy

23.

What would be the energy transformation from Position A to Position B

a)

Kinetic to Potential

b)

There is no energy transformation

c)

Gravitational Potential to Kinetic

d)

Potential Elastic to Gravitational Potential

24.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
25.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
26.
Which items would have this energy transformation: electrical energy -> thermal energy and light energy?
a)
toaster
b)
candle burning
c)
windmill turning
d)
Iron for your clothes
27.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
28.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

29.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
30.

A sour taste is a characteristic of:

a)

acids

b)

bases

c)

neutral

d)

pH scale

31.

Which is a characteristic of a base?

a)

tastes sour

b)

found mostly in foods

c)

feels slippery

d)

turn litmus paper red

32.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Bases

33.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

34.
A substance that changes color when mixed with an acid or base is a(n) ___.
a)
indicator
b)
neutralizer
c)
corrosive
d)
electricity
35.
What color does litmus paper turn in the presence of an acid?
a)
blue
b)
black
c)
green
d)
red
36.
Bases are located where on the pH scale?
a)
any number can be a base
b)
below 7
c)
above 7
d)
number 7 is a base
37.

According to the pH scale, which item is more acidic than lemons?

a)

battery

b)

vinegar

c)

milk

d)

blood

38.

According to the pH scale, which item is a stronger base than soap?

a)

baking soda

b)

ammonia solution

c)

tomato

d)

bleach

39.

Which of the following is the strongest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

40.

Which of the following is the weakest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

41.
Why do scientists classify living things?
a)
It helps scientists trap species to study
b)
It is easier to study organisms when grouped 
c)
It is a good way to keep organisms calm
d)
It is helpful when dissecting an organism
42.
Which kingdom contains only multicellular autotrophs?
a)
fungi
b)
plant
c)
animal
d)
protist
43.
What do plants and fungi have in common?
a)
They are both autotrophic
b)
They are both unicellular
c)
They both have cell walls
d)
They both are prokaryotes 
44.

Which organisms can you find living in extreme places such as salt lakes, hot springs and deep sea trenches

a)

bacteria

b)

Plantae

c)

Archea

d)

Protists

45.
What is the most specific level of classification?
a)
Family
b)
Domain
c)
Species
d)
Carolus Linnaeus
46.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
47.
Members of this kingdom never have a cell wall
a)
Animalia
b)
Plantae
c)
Archaebacteria
d)
Protista
48.

This is used to pour lab materials into an object with a small opening

a)

scoop

b)

funnel

c)

bunsen burner

d)

goggles

49.

This is used to protect your eyes during an experiment

a)

scoop

b)

funnel

c)

bunsen burner

d)

goggles

50.

This is used to store and mix chemicals during an experiment

a)

fire extinguisher

b)

thermometer

c)

beaker

d)

tongs

51.

This is used to hold and mix chemicals

a)

test tube brush

b)

ruler

c)

forceps

d)

test tube

52.
Every living organism is made up of one or more cells
a)
True
b)
False
53.
A cell is...
a)
the basic unit of structure and function in living organism
b)
an organism
c)
a basic part of everything that we see
d)
found only in animals, not plants
54.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
55.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
56.

____ is credited with being the first scientist to observe cork cells.

a)

Leewenhoek

b)

Shleidon

c)

Hooke

57.

Cells that are only made of (a)   cell are called unicellular.

58.

Check all the boxes for each organelle that plant and animal cells both have.

a)

lysosomes

b)

cell membrane

c)

mitochondria

d)

nucleus

e)

cell wall

59.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
60.
How do metals differ from nonmetals?
a)
metals are shiny, nonmetals are dull
b)
metals are good insulators, nonmetals are good conductors
c)
metals are powdery
d)
nonmetals are shiny
61.
Metals that can be used as wire are ____________.
a)
metallic
b)
shiny
c)
malleable
d)
ductile
62.
What are the three major categories of the periodic table?
a)
Alpha, Beta & Gamma
b)
Metals, Non-Metals and Metalloids
c)
Metals, Semi-metals and Metalloids
d)
Non-Metals, Semi-Metals and Metalloids
63.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
64.

Name the metal which is in liquid state.

a)

Iron

b)

Mercury

c)

Zinc

d)

Aluminium

65.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
66.
What does ductile mean?
a)
electricity flows easily
b)
quacks like a duck
c)
can be drawn into a wire
d)
able to bend

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