wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y7 LC3 22/23

Total questions: 60

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

At which letter is gravitational potential energy the highest?

a)

b

b)

c

c)

a

d)

d

2.

Identify the energy transfer

a)

electrical to chemical to light

b)

nuclear to electrical

c)

chemical to electrical to light

d)

chemical to kinetic

3.

Calculate the efficiency of a device which was supplied with 60000 J of energy and generated 13800J of useful energy.

(a)  

4.

The unit of force is

a)

m/s

b)

m/s2

c)

Newton

d)

kg

e)

newton

5.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
6.

When an object is acted on by balanced forces, the object will _______ or __________

a)

remain stationary

b)

continue at a constant speed

c)

accelerate

d)

decelerate

7.

What is the resultant force?

a)

5000 N right

b)

4000 N right

c)

6000 N left

d)

4000 N left

8.

In the diagram, which statements are incorrect?

a)

resultant force of 1,070N upwards

b)

resultant force of 1,070N downwards

c)

resultant force of 570N to the right

d)

resultant force of 570N to the left

e)

the balloon will be moving at a constant speed

9.
What does this graph represent?
a)

Constant speed

b)

Acceleration

c)

Not moving

d)

Deceleration

10.

Students are investigating motion with a rubber band car. They want to know how the number of winds of the rubber band affects the distance the car will travel. What will be the dependent variable?

a)

The distance the car travels when released

b)

The length of the rubber band during each trial

c)

The amount of time it takes to wind the propeller

d)

The surface of the table the car in on

e)

The number of winds of the rubber band

11.

Solids __________ and _______________

a)

take the shape of their container

b)

have a fixed shape and volume

c)

are compressible

d)

have particles that flow easily

e)

are not compressible

12.

Gases _______ and ________

a)

have a fixed shape

b)

are easily compressed

c)

have particles that do not flow easily

d)

have a definite volume

e)

have particles that spread out in the volume available

13.

When thermal energy is decreased in a gas, what change in state is happening?

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

14.

How many elements are represented in the compound?

Na2CO3

a)

1

b)

2

c)

3

d)

4

e)

5

15.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
16.

This diagram represents a _____.

a)

pure substance that is a compound

b)

mixture of two different elements

c)

pure substance that is an element

d)

mixture of two compounds

e)

mixture of a compound and an element

17.

Which statements do not describe a mixture?

a)

made of one type of atom

b)

made of two or more different types of substances

c)

the atoms are all chemically bonded together

d)

the substance are not all chemically combined together

e)

the substances can be separated using separation techniques

18.

Soluble means...

a)

A substance which can be dissolved

b)

A substance which cannot dissolve

c)

The part of a solution which has dissolved in a solvent

d)

A substance which is able to dissolve other substances

19.

If a spoonful of sugar is mixed in a glass of water, what is the water called?

a)

solute

b)

solution

c)

solvent

d)

soluble

e)

insoluble

20.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
21.

How can we separate an insoluble solid from a liquid?

a)

chromatography

b)

crystallisation

c)

filtration

d)

condensation

22.
Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:
a)
evaporation followed by filtration
b)
 distillation followed by decanting
c)
filtration followed by evaporation
d)
filtration followed by decanting
23.

Water and alcohol are easily separated by distillation because of their _____

a)

different melting points

b)

different colours

c)

different densities

d)

different boiling points

e)

different solubilities

24.
chromatography separate the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
25.

A pure substance shows ________ on chromatogram

a)

0 components

b)

1 spot

c)

2 substances

d)

3 spots

26.
Why must the base line be drawn in pencil and not pen?
a)
a) Pencil is good at keeping substances in place.
b)
b) Pencil is soluble in water
c)
c) Pencil is insoluble in water
d)
d) Pencil is not coloured
27.
The Rf value  for the blue component is 
a)
0.3
b)
0.7
c)
10
d)
3
28.

Which of the following subatomic particles are found inside the nucleus?

a)

electron

b)

proton

c)

neutron

d)

hydrogen

29.

What is the atomic number of chlorine?

(a)  

30.

What is the mass number?

a)

The number of protons

b)

The number of neutrons

c)

The total number of protons and electrons

d)

The total number of protons and neutrons

e)

The total number of electrons and neutrons

31.
The picture shows a cell. Which correctly identifies the structures in the cell?
a)
W-chloroplast
X-cell wall
Y-cytoplasm
Z-nucleus
b)
W-cell wall
x-nucleus
Y-cytoplasm
Z-Chloroplast
c)
w-cytoplasm
x-nucleus
Y-cell wall
Z-chloroplast
d)
W-cytoplasm
X-chloroplast
Y-cell wall
Z-nucleus
32.

What is the definition of the nucleus in an animal cell or plant cell?

a)

Contains the green pigment, chlorophyll, which absorbs light energy to do photosynthesis.

b)

Where energy is released for the cell

c)

Contains the genetic information of a cell

d)

Controls what can go into and out of the cell

e)

Is the 'brain' of a cell

33.

Choose the statement below that is TRUE.

a)

Plant and animal cells both have cell walls so the cell can maintain its shape.

b)

Animal cells do not have chloroplasts because animals do not require the use of photosynthesis to produce their food.

c)

Plant cells do not have a nucleus because plants are not living organisms like animals are.

d)

Animal cells do not have cytoplasm because an animal cell's organelles are free to move around as they please.

34.

What piece is the platform that supports the microscope slide?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

35.
What is the function of the structure labeled #10?
a)
controls amount of light that passes through the slide
b)
it is used to change the magnification of the object
c)
it holds that slide in place
d)
it is used to carry the microscope
36.

(a)   is the act of enlarging the physical appearance of an object

37.

Which are the following are true:

a)

Only gases can diffuse

b)

Particles move from a high to low concentration in diffusion.

c)

Particles move from a low to high concentration in diffusion.

d)

Oxygen is able to diffuse.

38.

The following image shows a steep concentration ________. (choose the word that best fits)

a)

distance

b)

slope

c)

gradient

d)

diffusion

39.

Diffusion is the movement of particles from an area of _____ concentration to an area of ______ concentration

a)

High, Low

b)

Low, High

c)

Low, Low

d)

High, High

40.

From fastest to slowest rate of diffusion, which of the following is in the correct sequence?

a)

Solids, liquids, gases

b)

Liquids, gases, solids

c)

Gases, liquids, solids

d)

Gases, solids, liquids

41.

In which cell will oxygen diffuse into the fastest.

a)

A

b)

B

c)

C

d)

D

42.
Oxygen from the air enters the blood stream at what location?
a)

Bronchus

b)

Pulmonary Vein

c)

Alveoli

d)

Bronchioles

43.
What surrounds the alveoli?
a)
oxygen
b)
carbon dioxide
c)
capillaries
d)
bronchioles
44.
When you breathe, your lungs take in ___ and remove ___. 
a)

air/oxygen

b)

oxygen/carbon dioxide 

c)

carbon dioxide/oxygen 

d)

oxygen/oxygen

45.

What is the main source of energy for the human body?

a)

Carbohydrates

b)

Proteins

c)

Vitamins

d)

Fats

46.

What is the main use of proteins in our body.

a)

Provides energy

b)

Provides bulk to food to keep it moving through the digestive system

c)

Used for growth and repair of muscles and cells.

d)

Provides a store of energy and insulate the body

e)

Essential nutrients needed in small amounts to keep you healthy

47.

Tick all of the following which are part of the respiratory system.

a)

Nose

b)

Pulmonary vein

c)

Oesophagus

d)

Bronchlettes

e)

Bronchus

48.

Which statements are incorrect about the stomach? (2 marks)

a)

it is a muscular bag

b)

it is where nutrients are absorbed into the blood

c)

it contains hydrochloric acid that kills bacteria

d)

it contains enzymes that break down proteins

e)

it is where water is absorbed back into the blood

49.

Name the organ where the nutrients are absorbed into the blood stream?

a)

large intestine

b)

small intestine

c)

stomach

d)

mouth

50.

What is the correct order of the digestive system

A. Stomach

B. Large intestine

C. Anus

D. Small intestine

E. Oesophagus

a)

E -> A -> B -> D -> C

b)

A -> E -> D -> B -> C

c)

E -> A -> D -> B -> C

d)

E -> D -> A -> B -> C

e)

D -> A -> E -> C -> B

51.

Which statements are incorrect about enzymes: (2 marks)

a)

Carbohydrase breaks down carbohydrates into amino acids

b)

Lipase enzymes break down fats into fatty acids and glycerol

c)

Protease enzymes break down proteins into amino acids

d)

Amylase breaks down carbohydrates into glucose

e)

Protease enzymes build up amino acids into proteins

52.

Which enzyme is involved in the chemical digestion process of breaking down proteins into amino acids?

a)

Lipase

b)

Carbohydrase

c)

Amylase

d)

Protease

53.

The left ventricle has an extremely thick muscular wall, why?

a)

It pumps deoxygenated blood all the way round the body

b)

It pumps blood to the lungs to get oxygen

c)

It pumps oxygenated blood all the way round the body

d)

It pumps blood to the left atrium

54.

Which statements are incorrect? (2)

a)

Deoxygenated blood has been to the lungs and gained oxygen

b)

Oxygenated blood has been to the lungs and gained oxygen

c)

Veins carry blood away from the Heart

d)

The ventricles are the lower chambers of the Heart

e)

Arteries carry blood away from the Heart

55.

When oxygen-rich blood is carried AWAY from the heart, it travels through ...

a)

an artery

b)

a neuron

c)

a vein

d)

valves

56.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
57.

Which statements are correct about the Heart? (2)

a)

Its a muscle

b)

Its the liquid that is pumped around the body

c)

It contracts to pump blood around the body

d)

An organ that is used in breathing

e)

Organ where small digested molecules are absorbed

58.

Very small blood vessels that go to every cell in the body

a)

arteries

b)

veins

c)

capillaries

d)

ventricles

e)

atria

59.

Which of the following are reactants (used during) respiration?

a)

Carbon dioxide

b)

Glucose

c)

Oxygen

d)

Water

e)

Blood

60.

Which of the following happen during exercise

a)

Heart rate increases

b)

Digestion increases

c)

Respiration increases

d)

Breathing rate increases

e)

Breathing rate decreases

Similar Resources on Wayground

Genetics/Natural Selection

61 questions

Genetics/Natural Selection

quiz

Worksheet

•

7th Grade

Hackbarth Benchmark Review

60 questions

Hackbarth Benchmark Review

quiz

Worksheet

•

7th Grade

Skeletal System Review

56 questions

Skeletal System Review

quiz

Worksheet

•

7th - 9th Grade

Population Evolution

62 questions

Population Evolution

quiz

Worksheet

•

7th - 9th Grade

The Animal Kingdom

61 questions

The Animal Kingdom

quiz

Worksheet

•

7th Grade

U5 Genetics Review #1 (Lessons 5.1, 5.2, 5.3)

57 questions

U5 Genetics Review #1 (Lessons 5.1, 5.2, 5.3)

quiz

Worksheet

•

7th Grade

DNA & RNA

56 questions

DNA & RNA

quiz

Worksheet

•

6th - 8th Grade

Weather and Environment Review

59 questions

Weather and Environment Review

quiz

Worksheet

•

6th - 9th Grade