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Worksheets

BIS Grade 7 Science AOC

Total questions: 202

Worksheet time: 2hrs 53mins

Name
Class
Date
1.
What is an organism that consists of one cell?
a)
unicellular
b)
multicellular
c)
nucleus
d)
organelle
2.
This picture is a good example of
a)
Growth
b)
Development
c)
Organelle
d)
Cell
3.
This picture is a good example of
a)
Growth
b)
Development
c)
Organelle
d)
Cell
4.

Responding to change helps an organism to survive. Which are a response to change in an environment? There are two correct choices.

a)

A cell reproduces asexually.

b)

You get hot and sweat.

c)

A cell only grows in a certain environment.

d)

Hummingbirds migrate to the south for the winter.

5.
Which one of these is NOT one of the characteristics of living things?
a)
All living things drink water.
b)
All living things are composed of one or more cells.
c)
All living things grow develop and have life spans.
d)
All living things reproduce.
6.

Identify all of the following that are living.

a)

Volcano

b)

Tree

c)

Sun

d)

Fungus

7.

Identify the characteristic: A cactus grows toward the sunlight coming through the window.

a)

Responds to stimuli

b)

Grow and develop

c)

Evolution

d)

Take in and use energy

8.

Identify the characteristic: When a dog is too hot, he will sweat through his paws and pant to cool himself down.

a)

Reproduce

b)

Made of cells

c)

Share similar chemicals

d)

Homeostasis

9.
All living organisms are made up of ____.
a)
Cells
b)
Bacteria
c)
Organs
d)
Tissue
10.
Rocks, water, air, sun, and soil are...
a)
living
b)
nonliving
11.
This stores our genetic information:
a)
DNA
b)
lipids
c)
ATP
d)
flash drives
12.

Air

a)

Biotic factor

b)

Abiotic factor

13.

A pinecone

a)

Biotic factor

b)

Abiotic factor

14.

Bacteria

a)

Biotic factor

b)

Abiotic factor

15.

A cactus

a)

Biotic factor

b)

Abiotic factor

16.

Virus

a)

Biotic factor

b)

Abiotic factor

17.

Grizzly Bear

a)

Biotic factor

b)

Abiotic factor

18.
A giraffe has a long neck in order to better reach leaves to eat.  This is an example of _____. 
a)
an adaptation
b)
environment
c)
response
d)
stimulus
19.
A/An ____________is the smallest unit of life.
a)
atom
b)
stimulus
c)
cell
d)
DNA
20.

What do you use to see cells?

a)

microphone

b)

microscope

c)

telescope

d)

binoculars

21.
Every living organism is made up of one or more cells
a)
True
b)
False
22.
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
23.
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
24.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
25.

Which of the following converts food into energy for the cell?

a)

vacuole

b)

mitochondria

c)

cytoplasm

d)

cell membrane

26.

The fluid that surrounds the organelles is... (hint... "Try to pull a fast one and..."

a)

chloroplast

b)

cytoplasm

c)

vacuole

d)

cell wall

27.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
28.

Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplast

29.
If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
30.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
31.

Which of these are microbes ?

a)

Bacteria

b)

virus

c)

fungi

d)

Antibiotic

32.

Which is the smallest ?

a)

bacterium

b)

virus

c)

fungus

d)

they are all the same size

33.

Microorganisms are found

a)

in air

b)

on our hands

c)

on surfaces

d)

everywhere

34.

Microorganisms are

a)

Harmful

b)

useful

c)

can be harmful and useful

d)

have no effect o human body

35.

Which foods and drinks are produced through the growth of microbes ?

a)

cheese

b)

bread

c)

yogurt

d)

fizzy drinks

36.

Which of these microorganism causes common cold ?

a)

bacteria

b)

virus

c)

antibiotic

37.

Which of these are shapes of microorganisms

a)

Rods

b)

balls

c)

spirals

d)

all of the above

38.

What is the other word for a harmful microorganisms ?

a)

infectious

b)

antibiotic

c)

pathogen

d)

flora

39.

An organism that eats other organisms to get energy

a)

Producer

b)

Consumer

c)

Decomposer

40.

An organism that breaks down dead organisms and return nutrients to soil.

a)

Consumer

b)

Decomposer

c)

Producer

41.

An organism that can make its own food using the sun’s energy.

a)

Producer

b)

Consumer

c)

Decomposer

42.

An organism that feeds on dead organisms.

a)

Producer

b)

Decomposer

c)

Scavenger

43.

An organism that eats only animals (meat).

a)

Carnivore

b)

Herbivore

c)

Omnivore

44.

An organism that eats only plants.

a)

Carnivore

b)

Herbivore

c)

Omnivore

45.

An organism that eats both plants and animals (meat).

a)

Carnivore

b)

Herbivore

c)

Omnivore

46.

How much energy is passed on in an energy pyramid?

a)

100%

b)

20%

c)

10%

d)

0%

47.

What to the arrows represent in a food chain or food web?

a)

The flow of energy between organisms

b)

Point out the name of the orgainisms

c)

Point to the living things in the food web.

d)

Point to the nonliving things in the food chain.

48.

If an arrow points from a rabbit to a fox it means

a)

The energy is going from the rabbit to the fox when it eats it.

b)

The energy is going from the fox to the rabbit when the fox eats the rabbit.

49.

Which way do arrows point in a food web.

a)

Point from the prey to the predator

b)

Point from the predator to the prey

c)

Point from the food to what is eating it

d)

Point from the animal eating to the food.

50.

What is eating the grasshopper? Choose all that apply.

a)

Owls

b)

Birds

c)

grains

51.

What are the birds eating? Choose all that apply.

a)

grasses

b)

grains

c)

grasshoppers

d)

foxes

52.

Which of the following is a producer in the web?

a)

owl

b)

carrot

c)

rabbit

d)

birds

53.

Which of the following is a first level consumer in the web?

a)

fox

b)

rabbit

c)

birds

d)

grasses

54.

Which of the following is an omnivore in the web?

a)

owls

b)

foxes

c)

mice

d)

birds

55.

Which of the following is a carnivore in the web?

a)

fox

b)

rabbit

c)

mice

d)

birds

56.

Which of the following is a herbivore in the web?

a)

mice

b)

fox

c)

owls

d)

birds

57.

How many herbivores are shown in the web?

a)

1

b)

2

c)

3

d)

9

58.

How many carnivores are shown in the web?

a)

1

b)

2

c)

3

d)

9

59.

Which of the following demonstrates a property of a metal?

a)

Malleable

b)

Dull

c)

Brittle

d)

None of these

60.
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
61.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
62.
I have an object that is dull, brittle, and an insulator, what is it?
a)
metalloid
b)
non-metal
c)
metal
d)
matter
63.
If you have a material that can conduct electricity well it is probably a...
a)
Metalloid
b)
Matter
c)
Non-metal
d)
Metal
64.
What physical properties are used to classify elements as metals, non-metals, or metalloids?
a)
Color, smell, physical state
b)
Reactivity, streak, hardness
c)
Ability to burn, mass, density
d)
Luster, conductivity, malleability
65.
Which of the following would help a student classify an unknown element as a metal, metalloid, or non-metal?
a)
Measure its conductivity
b)
Determine its density
c)
Find its melting point
d)
Observe its color
66.
Non-metals are good conductors of heat and electricity. 
a)
TRUE
b)
FALSE
67.
Metals are ductile, meaning they can be drawn into wire
a)
True
b)
False
c)
Never
68.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
69.
Luster is ___________
a)
A.  the way light is reflected off a surface.
b)
A.  how well a piece of matter conducts electricity. 
c)
A.  the capability of being drawn out into thin wires or threads.
d)
A.  the capability of being hammered out thin.
70.

An element obtains the properties of brittle, and doesn’t have strong shine (dull). The element has similar properties to Iodine. The element has a period of number 3.

a)

Fluorine

b)

Astatine

c)

Chlorine

d)

Radon

71.

The building block from which every substance is made

a)

Lego

b)

Jam

c)

Atoms

d)

Lattices

72.

A distinct cluster of two or more atoms bonded together

a)

molecule

b)

lattice

c)

element

d)

Lego

73.

Which could be a correct symbol for a chemical element?

a)

Ca

b)

n

c)

CO

d)

Alu

74.

What happens during a chemical change?

a)

new matter is produced

b)

atoms rearrange and produce a new substance

c)

a substance dissolves when combined with another

75.

Which of the following is an example of a physical change?

a)

an object is cut in half

b)

water freezes

c)

sugar dissolves in water

d)

all of the above

76.

Which of the following is evidence that a chemical change has occurred?

a)

a change in color

b)

metal rusts

c)

a gas is produced

d)

all of the above

77.

What do we call the substances that are present BEFORE a chemical reaction occurs?

a)

reactants

b)

products

c)

solids

d)

quotients

78.

What do we call substances that are present AFTER a chemical change occurs?

a)

reactants

b)

products

c)

solids

d)

quotients

79.

What is one property of the bath bomb gas that we investigated?

a)

toxicity

b)

flammability

c)

boiling point

d)

melting point

80.

How can we use density when trying to identify an unknown gas?

a)

measure its density

b)

if it is more dense, it will rise

c)

compare its density to the density of air

81.

How did we know that the elephant's toothpaste produced a gas that was LESS dense than the air in the room?

a)

It sank in the flask

b)

It put out a flame below the flask

c)

It rose out of the flask

82.

How do we know that the gas that was produced by the bath bombs was MORE dense than the air in the room?

a)

the candle's flame went out below the flask

b)

the flame went out above the flask

c)

the flame got larger above the flask

83.

Rusting is an example of what kind of change?

a)

chemical

b)

physical

c)

substance

84.

Physical changes produce new substances

a)

True

b)

False

c)

Not enough information to tell

85.

Which substances are possible gases produced by bath bombs?

a)

Citric acid

b)

Baking soda

c)

Water

d)

None of the above

86.

Which substances are possible gases produced by bath bombs?

a)

Nitrogen

b)

Carbon Dioxide

c)

Argon

d)

All of the above

87.

Which of the following are the REACTANTS in our bath bombs?

a)

citric acid

b)

baking soda

c)

water

d)

all of the above

88.

Which of the following are the REACTANTS in the elephant's toothpaste chemical reaction?

a)

potassium iodide

b)

hydrogen peroxide

c)

water

d)

all of the above

89.

Which of the following is a physical change?

a)

a substance changes color and produces a gas

b)

light is produced along with a loud "bang"

c)

a candle melts

90.

How are we sure that a chemical reaction occurred with both the bath bombs and the elephant's toothpaste experiments?

a)

because a phase change occurred

b)

a new gas was produced

c)

dissolving occurred when the reactants were combined

91.

Elephant toothpaste is an example of a chemical reaction.

a)

True

b)

False

92.

Which of the following are examples of chemical reactions?

a)

two liquids combine and a gas is released

b)

a substance is added to water and dissolves

c)

two liquids are combined and a solid precipitate forms

93.

Rust in an example of a chemical change.

a)

True

b)

False

94.

Which of the following are key property changes we could see in a chemical reaction?

a)

changes in size

b)

changes in color

c)

changes in odor (smell)

d)

changes in shape

95.

Gas formation (bubbles/frothing) can happen when...

a)

there is a physical change

b)

there is a chemical change

96.

A reactant changing from a liquid to a solid is an example of...

a)

a chemical reaction

b)

a physical change

97.

What is the Law of Conservation of Mass?

a)

mass of reactants > mass of products

b)

mass of reactants < mass of products

c)

mass of reactants = mass of products

98.
_______________ is an example of both a color change and new substance produced from a chemical change with oxygen and metal.
a)
shredded paper
b)
rust (iron oxide)
c)
wood chips
d)
melted wax
99.

In a ___________change, a substance changes into a different substance.

a)

Physical

b)

Chemical

100.
Which of these is NOT a sign that a chemical change has occurred? 
a)
Change in shape.
b)
An unexpected color change
c)
A temperature change
d)
The formation of a precipitate
101.

Which is the name of the kind of solid substance formed when 2 liquids are combined shown in this figure?

a)

aqueous

b)

precipitate

c)

acid

d)

synthesis

102.
Provides evidence that a chemical reaction has occurred. 
a)
dissolving 
b)
melting
c)
formation of a gas
d)
bending
103.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
104.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
105.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
106.

Baking a cake is an example of

a)

Physical Change (Just changed phases)

b)

Chemical Change (can't change it back)

107.

Ripping cardboard is an example of

a)

Physical Change

b)

Chemical Change

108.

The production of carbon dioxide gas when baking soda and vinegar reacted indicated a _____________.

a)

Chemical change

b)

Physical change

109.

A chemical reaction that gives OFF heat

a)

Exothermic

b)

Endothermic

110.

If two substances react and the temperature of the mixture decreases. Example the athletic trainer gives you a pack that gets cold when you shake it.

a)

Exothermic reaction

b)

Endothermic reaction

111.

I need to NEUTRALIZE and acidic food. Which of the following would be the best one?

a)

Water (pH 6-7)

b)

Dairy (pH 5-7)

c)

Baking Soda (pH 8-9)

112.

Choose the one that BEST describes an ENDOthermic chemical reaction

a)

releases thermal energy

b)

absorbs thermal energy

113.
Which of these substances is acidic?
a)
tap water
b)
lemon
c)
ammonia
d)
baking soda
114.
An extremely strong base would have a pH of:
a)
1
b)
7
c)
9
d)
14
115.

This red piece of pH paper has been dipped into ________ :

a)

An acid

b)

A base

c)

A pH-neutral substance

d)

A buffer

116.
Healthy environments for life have a pH closest to:
a)
1
b)
3
c)
7
d)
10
117.
Which of the following substances is basic?
a)
soda
b)
lemon juice
c)
soap
d)
vinegar
118.
pH stands for:
a)
Potency of hydrogen
b)
Plurality of hydrogen
c)
Potential of hydrogen
d)
Pleurisy of hydrogen
119.

Pure water is _______ on the pH scale.

a)

Acid

b)

Base

c)

Neutral

120.

What is the range of pH values in an acidic solution?

a)

0 - 7.0

b)

7.1 - 14

c)

15-239

d)

pH = 7

121.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
122.

In a ___________change, a the appearance of a substance may change, but NO NEW substances are created.

a)

chemical

b)

physical

c)

verbal

123.
A single part of a mixture or solution is called
a)
Mixture
b)
Substance
c)
Solution
d)
An item
124.

A combination of two or more substances where each keep their own properties and CAN be easily separated.

a)

Mixture

b)

Solution

c)

Substance

d)

Solute

125.
To make different without changing what the material is made of such as; cutting, folding,etc.
a)
Filter
b)
Physical State
c)
Physical change
d)
Origami
126.
Which statement describes a mixture?
a)
2 or more substances that CANNOT be easily separated
b)
2 or more substances that CAN be easily separated
c)
An example of a mixture is lemonade
d)
An example of a mixture is a Kool-Aid
127.
When one substance dissolves in another and the particles  are distributed uniformly throughout the other substance is a
a)
Mixture 
b)
Solution
128.
 What is a characteristic that distinguishes one substance from another?
a)
Weight
b)
Phase
c)
Property
d)
Element
129.

When a solution is saturated:

a)

No additional material will dissolve in it

b)

You need to stir it more

c)

Two materials have combined to create a clear liquid

130.

Matter which has specific structures and specific properties is ______________.

a)

particles

b)

solution

c)

substance

d)

mixture

131.

Which if the following is described as being pure substances?

a)

elements

b)

compounds

c)

elements and compounds

d)

mixtures

132.

Which of the following describes a substance that has been physically combined and is NOT uniform throughout (you see the DIFFERENT parts that make it up)?

a)

Homogeneous Mixture

b)

Compound

c)

Heterogeneous mixture

d)

element

133.

What is the smallest part of a compound that retains the properties of that compound

a)

atom

b)

element

c)

Molecule

d)

mixture

134.

A student is observing a substance that contains multiple element that have been chemically combine C6H12O6(SUGAR). Which of the following best describes what the student is observing?

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

c)

Element

d)

Compound

135.

What is the smallest part of an element that retains the properties of the element?

a)

atom

b)

molecule

c)

compound

d)

subatomic particles

136.

Which two compounds are Ionic bonds?

a)

water(H20)  and rust(Fe2O3)

b)

water(H2O) and carbon dioxide(CO2)

c)

rust(Fe2O3) and salt(NaCl)

d)

oxygen gas(O2) and nitrogen gas(N2)

137.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

138.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

139.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

140.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
d)

Metalloids

141.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
d)

Metalloids

142.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
143.

This substance can be separated by physical means such as filtering, sifting, and evaporating.

a)

Mixtures

b)

Pure Substances

c)

Elements

d)

Compounds

144.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
145.
What type of bond is this?
a)
ionic
b)
covalent
146.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

147.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
148.

What kind of mixture is shown in the picture?

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

149.

When one or more substance is combined CHEMICALLY it is called __________________.

a)

compound

b)

element

c)

mixture

d)

solution

150.
Contains only one kind of atom.
a)
Element
b)

Compound

c)
Mixture
151.

to move slightly in place around a fixed point

a)

vibrate

b)

swing

c)

standing

d)

sprinting

152.

a push or a pull

a)

gravity

b)

force

c)

friction

d)

car crash

153.

to move from one place to another

a)

transform

b)

energy

c)

transfer

d)

collision

154.

to change shape (permanently or temporarily)

a)

elastic limit

b)

breaking point

c)

deformation

d)

force

155.

wave height

a)

frequency

b)

amplitude

c)

crest

d)

trough

156.

number of waves that pass a fixed point in a given amount of time

a)

amplitude

b)

trough

c)

wavelength

d)

frequency

157.

changes based on frequency (lower vs higher)

a)

pitch

b)

volume

c)

frequency

d)

wavelength

158.

how loud or soft something is

a)

pitch

b)

waves

c)

frequency

d)

volume

159.

the highest (top) part of a wave

a)

crest

b)

trough

c)

amplitude

d)

frequency

160.

the lowest (bottom) part of a wave

a)

crest

b)

trough

c)

amplitude

d)

medium

161.

the distance between two crests OR two troughs

a)

frequency

b)

amplitude

c)

wavelength

d)

volume

162.

the type of material that a waves passes through

a)

medium

b)

vibrate

c)

transfer

d)

energy

163.

anything that has mass and takes up space (volume)

a)

solid

b)

energy

c)

matter

d)

gas

164.

pattern of disturbance as energy passes through a medium

a)

sound waves

b)

amplitude

c)

frequency

d)

pitch

165.

forcing molecules together, squishing

a)

wavelength

b)

frequency

c)

amplitude

d)

compression

166.

molecules closely packed together

a)

dense

b)

volume

c)

pitch

d)

energy

167.

membrane in the ear that vibrates when sound hits it

a)

cochlea

b)

stererocilia

c)

ear drum

d)

wavelength

168.

spiral part of the inner ear that produces nerve signals in response to vibrations

a)

ear drum

b)

stereocilia

c)

cochlea

d)

amplitude

169.

hair-like structures in the inner ear that help with hearing and balance

a)

stereocillia

b)

cochlea

c)

ear drum

d)

crest

170.

the ability to do work, can be transferred between objects and transformed due to force

a)

energy

b)

volume

c)

matter

d)

trough

171.

How do the waves differ from one another?


This illustration shows three different waves traveling through the same medium.

a)

The waves travel at different speeds.

b)

The waves have different wavelengths.

c)

The waves carry different amounts of energy.

d)

The waves are a different distance from the source.

172.

Which Bar measures the wavelength of the wave?

a)

W

b)

Y

c)

X

d)

Z

173.

Which points on the wave are the trough and the crest?

a)

Point W is a trough; Point Y is a crest.

b)

Point Y is a trough; Point X is a crest.

c)

Point W is a trough; Point Z is a crest.

d)

Point Y is a trough; Point W is a crest.

174.

Which describes the relationship between waves and matter?

a)

Waves DO not matter.

b)

Nearly all waves travel through matter.

c)

Most waves do not travel through matter.

d)

Waves can travel in only one direction through matter.

175.

Which is the most likely reason that thunder is heard after lightning is seen?

a)

Only the light waves carry energy.

b)

Only the sound waves carry energy.

c)

Sound waves travel faster than light waves.

d)

Light waves travel faster than sound waves.

176.

How are transverse waves most likely created?

a)

A force creates a sound.

b)

A force creates a vibration.

c)

A force creates a no speed.

d)

A force creates no wavelength.

177.

Which is the lowest point of a transverse wave?

a)

compression

b)

crest

c)

trough

d)

rarefraction

178.

Which is a characteristic of electromagnetic waves?

a)

They transfer energy.

b)

They require a medium.

c)

They have no frequency.

d)

They have no wavelength

179.

How does changing the temperature of the medium affect the waves passing through it?

a)

It changes the speed of the waves.

b)

It does not change the wave.

c)

It stops the wave.

d)

The wave only moves faster.

180.

Which transverse wave would have the greatest amplitude?

a)

the one with the highest crests

b)

the one with the highest troughs

c)

the one with no frequency.

181.

Transverse waves consist of crests and troughs. Which are found in longitudinal waves?

a)

reflections and echoes

b)

amplitudes and frequencies

c)

compressions and rarefactions

d)

None

182.

A push or a pull that starts, stops or changes the direction of an object

a)

force

b)

energy

c)

gravity

d)

motion

183.

Can you transfer energy to another object

a)

True

b)

False

184.

MASS x ACCELERATION =

a)

Force

b)

motion

c)

speed

d)

push/pull

185.

Give and example of a force

a)

Gravity

b)

weather

c)

sleeping

d)

swimming

186.

What does this measure

a)

force

b)

weight

c)

mass

187.

The SI unit for force is _______

a)

Newtons

b)

Gravity

c)

Meter

d)

Joules

188.

9.8 newtons is the constant pull of which force.

a)

Gravity

b)

wind

c)

ocean waves

d)

tornado

189.

Determines if and in which direction the object will move (total force)

a)

Net force

b)

Gravity

c)

Push

d)

Pull

190.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

191.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

192.

What happens to an object if equal forces are pushing from opposite directions?

a)

Does not move

b)

Pushed up

c)

Pushed down

d)

Explodes

193.

An object will move when the forces are

a)

balanced

b)

unequal

194.

When the only force acting on an object is gravity this creates ________

a)

free fall

b)

net force

c)

velocity

d)

speed

195.

An object at rest stays at rest until an outside force acts upon it. Which law?

a)

1st

b)

2nd

c)

3rd

196.

The driving force that keeps an object in motion can be defined as:

a)

gravity

b)

friction

c)

inertia

d)

newtons

197.

The motion of an object depends on the amount of force acting on it. Which law

a)

1st

b)

2nd

c)

3rd

198.

A big boulder requires more force to move than a small rock. Which newtons law applies here

a)

1st

b)

2nd

c)

3rd

d)

no laws apply

199.

For every action there is an equal and opposite reaction. Which law?

a)

1st

b)

2nd

c)

3rd

200.

When you jump on a diving board. You push down on the board and the board pushes you up. Which law applies

a)

1st

b)

2nd

c)

3rd

d)

no law applies

201.

Without air resistance objects drop,

a)

at the same time

b)

faster depending on mass

c)

depends on the object

d)

there will be no gravity

202.

What causes on object so slow down while sliding on a surface?

a)

friction

b)

inertia

c)

momentum

d)

force

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