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Grade 7 Progress Test 2 Revision

Total questions: 77

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

What happens when unbalanced forces act on an object?

a)

It will accelerate

b)

It will keep moving at a constant velocity

c)

It will stay at rest

d)

There is no way to know

2.

Are all of the forces on this object balanced?

a)

Yes

b)

No

c)

There is no way to tell from the diagram

3.

What direction will it accelerate? (What direction is the net force?)

a)

Up

b)

Left

c)

Right

d)

Down

4.

Which of these animals would probably cause the greatest pressure on the ground?

a)

A fat cow with big feet

b)

A fat cow with small feet

c)

A baby cow with big feet

d)

A baby cow with small feet

5.

Where would you find the largest pressure?

a)

At the bottom of the ocean

b)

At the top of Mt Everest

c)

At the beach in Da Nang (sea level)

d)

At the top of the Landmark building

6.

Pressure can be measured in Pascales (Pa) or Newtons per square metre.

1 Pa = 1 N/m2

a)

True

b)

False

7.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
8.

What is the equation used to calculate pressure?

a)

pressure = force / mass

b)

pressure = mass / volume

c)

pressure = area / force

d)

pressure = force / area

9.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

10.
What is the anticlockwise moment acting on this crane?
a)
80,000Nm
b)
100,000Nm
c)
120,000Nm
d)
140,000Nm
11.

What is the equation for calculating the moment acting on an object?

a)

moment = force x distance (from pivot)

b)

moment = force / distance (from pivot)

c)

moment = distance (from pivot) / force

12.

Would this tool turn clockwise or anticlockwise?

a)

Clockwise

b)

Anticlockwise

13.

Calculate the moment acting on the door handle.

a)

0.05 Nm

b)

20 N/m

c)

5 Nm

d)

9.5 N/m

14.

If F1 and F2 are equal, which direction will the seesaw rotate?

a)

It will not rotate, the moments are balanced

b)

It will rotate anticlockwise

c)

It will rotate clockwise

15.

Is this see-saw balanced or unbalanced?

a)

Balanced

b)

Unbalanced

16.

What is the speed of a car travelling 50m in 4s?

a)

200 m/s

b)

12.5 m/s

c)

12.5 m

d)

200m

17.

How long does it take a car to travel 40m at 12m/s?

a)

4.8 s

b)

480 s

c)

3.33 s

d)

33.3 s

18.

How far does a truck move if it's travelling at 15m/s for 20 min?

a)

18000 m

b)

300 m

c)

0.75 m

d)

180 km

19.

How far does a lorry move if it is travelling at 12m/s for 180s?

a)

2160 m

b)

0.06 m

c)

15 m

d)

21.6 m

20.

Which of the lines on the graph shows something at rest?

a)

A

b)

B

c)

C

d)

D

21.

Which of the graphs shows something accelerating?

a)

Left graph

b)

Middle graph

c)

Right graph

d)

None of these graphs

22.

Find the velocity of the object shown in the graph from 0 to 5 seconds.

a)

25 m/s

b)

5 m/s

c)

-5 m/s

d)

-25 m/s

23.

What is a small particle that is known as the basic building block of matter?

a)

molecule

b)

compound

c)

element

d)

atom

24.

H2O is most accurately described as a ___________________.

a)

molecule

b)

compound

c)

element

d)

atom

25.

Which vocabulary words can be used to describe this image? (check all that apply)

a)

molecule

b)

compound

c)

element

d)

atom

26.

Oxygen, Nitrogen, Hydrogen, and Calcium are all examples of ______________________.

a)

molecules

b)

compounds

c)

atoms

d)

elements

27.

Which one of the following is a compound?

a)

NaCl

b)

O2

c)

H2

d)

He2

28.

Which of these models can be described as a compound?

a)

water

b)

carbon dioxide

c)

amonia

d)

methane

e)

All of them are compounds

29.

Which of these is only a molecule and NOT a compound?

a)

a

b)

b

c)

c

d)

d

30.

Which of the images represents a mixture.

a)

pepper

b)

salt

31.

What is climate?

a)

the condition of the atmosphere at any given time and place

b)

cloud cover and temperature

c)

precipitation and humidity at a given time and place

d)

weather conditions in an area over a long period of time

32.

Which two factors determine the climate in a particular region?

a)

temperature and latitude

b)

precipitation and humidity

c)

temperature and precipitation

d)

humidity and air pressure

33.

These areas is located between 66.5°N and the North Pole and 66.5°S and the South Pole. It has low temperatures and very little precipitation.

a)

Polar Climate Zones

b)

Temperate Climate Zones

c)

Tropical Climate Zones

d)

The Arctic Climate Zones

34.

What are the three main climate zones?

a)

tropical, thermal, polar

b)

tropical, temperate, polar

c)

cold, super hot, blah

d)

polar, tropical, humid

35.

What climate zone is located near the equator where the sun is directly overhead all year?

a)

polar

b)

tropical

c)

desert

d)

temperate

36.

The most abundant greenhouse gas in the atmosphere is ___________________.

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

argon

37.
What climate does a desert have?
a)
Tropical
b)
Polar
c)
Arid/Dry
d)
Temperate
38.
The bending of light when it moves through one kind of matter to another is.....
a)
absorption
b)
reflection
c)
refraction
d)
a rainbow
39.
The bouncing of light off an object is ....
a)
a mirror
b)
absorption
c)
reflection
d)
refraction
40.
The taking in of light by a material....
a)
absorption
b)
reflection
c)
refraction
d)
dark colors
41.
Light is a kind of.....
a)
reflection
b)
energy
c)
heat
d)
matter
42.
Which of these describes how light travels through an empty space?
a)
It travels straight but may change direction to avoid objects.
b)
It changes direction often even if there are no objects. 
c)
It comes to a stop after it travels a certain distance. 
d)
It travels in a straight line without stopping. 
43.

What does the pencil in this picture show about light?

a)

Light is refracted when it hits a curved object.

b)

Light is reflected when it hits a curved object.

c)

Light is refracted when it passes from air into water.

d)

Light is reflected when it passes from air into water.

44.
What happens to light passing through a prism?
a)
It goes right through it.
b)
It bends and the light separates.
c)
It bounces off it
d)
It goes around it.
45.
If a black and white car were in the parking lot all day. Compare the temperatures of the two cars.
a)
The black car would be cooler.
b)
The white car would be hotter.
c)
The black car would be hotter.
d)
They would be the same
46.

Which color has the SHORTEST waves?

a)

Red

b)

Green

c)

Blue

d)

Violet

47.

The law of reflection states that the angle of incidence is _____ the angle of reflection.

a)

less than

b)

more than

c)

the opposite of

d)

the same as

48.

As an object moves away from a source of light, the shadow gets smaller because the object is blocking _____ light than if it were closer.

a)

more

b)

less

c)

the same

49.

Why do red objects appear red?

a)

All colours of light are absorbed EXCEPT for red. Red light is reflected.

b)

All colours of light are reflected EXCEPT for red. Red light is absorbed.

c)

All colours of light are refracted EXCEPT for red. Red light is absorbed.

d)

All colours of light are absorbed EXCEPT for red. Red light is refracted.

50.

What are the primary colours of light?

a)

red, yellow, and orange

b)

blue, magenta, and cyan

c)

red, yellow, and green

d)

red, green, and blue

51.

What are the secondary colours of light?

a)

red, yellow, and orange

b)

yellow, magenta, and cyan

c)

red, yellow, and green

d)

red, green, and blue

52.

What colour(s) of light can transmit (pass through) a blue filter?

a)

Every colour EXCEPT blue

b)

Green and red

c)

Only blue

d)

Magenta and yellow

53.

What colour(s) of light can transmit (pass through) a yellow filter?

a)

Every colour EXCEPT blue

b)

Green and red

c)

Only blue

d)

White

54.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
55.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
56.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
57.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
58.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
59.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
60.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
61.

I am located between Mars and Jupiter.

a)

Comet belt

b)

Asteroid belt

c)

Meteor belt

d)

Stars

62.

Ceres is the largest asteroid, and it is spherical.

a)

True, it retains is shape because of it's massive size.

b)

False, it is only a midsize asteroid.

c)

False, it is lumpy like deimos

d)

False, it is actually a moon.

63.

How many stars are in a galaxy.

a)

billions

b)

thousands

c)

hundreds

d)

Ten

64.
Huge chunks of rock and metal (some measuring miles wide) are believed to be left-over pieces of planets and moons called:
a)
Comets
b)
Meteors
c)
Asteroids
d)
Meteroids
65.
The substances in food that your body needs to grow, have energy, and stay healthy are called?
a)
Nutrients
b)
Proteins
c)
Vitamins
d)
Carbohydrates
66.
Which nutrient is the number one energy source for the body?
a)
Grains
b)
Vegetables
c)
Carbohydrates
d)
Vitamins
67.
Which nutrient helps rebuild and repair muscles?
a)
Dairy
b)
Sodium
c)
Carbohydrates
d)
Protein
68.
Which nutrient carries nutrients and oxygen throughout the body?
a)
Dairy
b)
Minerals
c)
Protein
d)
Water
69.
Which of the 6 key nutrients is missing... Carbs, Water, Fats, Minerals, Vitamins
a)
Protein
b)
Grains
c)
Fiber
d)
Vegetables
70.
Which of the following foods is NOT a protein?
a)
Orange
b)
Steak
c)
Eggs
d)
Chicken
71.

Which nutrient is the starches and sugars in foods?

a)

lipids

b)

proteins

c)

carbohydrates

d)

vitamins

72.

Which nutrient is a compound that helps regulate many vital processes, including digestion, absorption and metabolism of nutrients?

a)

minerals

b)

vitamins

c)

water

d)

carbohydrates

73.

Examples of a Ball & Socket Joint are found in the

a)

Shoulder

b)

Knee

c)

Hip

d)

Ankle

74.

A hinge joint allows

a)

A wide range of movements

b)

Circumduction

c)

Rotation

d)

Movement in only one direction (ie. backwards & forwards)

75.
The framework of the body, that consists of bones and connective tissues is called the
a)
Muscular System
b)
Skeletal System
c)
Nervous System
d)
Blood System
76.
Cords made of tough tissue that hold bones and muscles together are called
a)
Tendons
b)
Ligaments
c)
Joints
d)
Synovial Fluid
77.
Your skeleton is there for support, protection, and movement. But you could not move your bones without the help of your ______________ system.
a)
digestive
b)
muscular
c)
respiratory
d)
circulatory

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