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Science Review

Total questions: 83

Worksheet time: 54mins

Name
Class
Date
1.

A water molecule has the chemical formula H2O. This means that the water molecule is made up of

a)

Two hydrogen atoms and one oxygen atom

b)

Two oxygen atoms and one hydrogen atom

c)

Two hydrogen atoms and two oxygen atoms

d)

Two molecules of water

2.
How do you find out the number of protons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
3.
How do you find out the number of neutrons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
4.
All matter is made of _________. 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
5.
The part of the atom that determines the identity of the atom is the ____________.
a)
proton
b)
nucleus
c)
electron
d)
neutron
6.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
7.
How are elements ordered on the Periodic Table?
a)
Alphabetical Order
b)
By their color.
c)
By their atomic mass.
d)
By their atomic number.
8.
Matter is...
a)
a substance made up of only one kind of element
b)
anything that has mass and takes up space
9.
A molecule is...
a)
two or more atoms linked together
b)
anything that has mass and takes up space
10.
Which of the following determines if an object sinks or floats?
a)
density
b)
mass
c)
weight
d)
volume
11.
Type of matter made of two or more elements...
a)
element
b)
mixture
c)
compound
12.
Amount of matter in a solid, liquid, or gas...
a)
mass
b)
volume
13.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
14.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
15.
Where are proteins made? These are small, grain-like or rod shaped organelles.
a)
Golgi body
b)
Mitoichondrion
c)
Chromosomes
d)
Ribosomes
16.
This organelle is like a recycling center for the cell. It breaks down old materials. It is like a vacuum cleaner that cleans up the waste in cells.
a)
Ribosomes
b)
Lysosomes
c)
Mitochondria
d)
Chloroplasts
17.
Plants perform photosynthesis through this organelle.  It captures energy from the sun and uses it to produce food for the cell.
a)
Chlorophyll
b)
Chloroplasts
c)
Mitochondria
d)
Golgi Apparatus
18.
Tiny cell structures that carry out specific functions within the cell.
a)
membranes
b)
nucleus
c)
organelles
d)
animalicules
19.

What does this describe

A animal that only eats meat?

a)

Carnivore

b)

Decomposer

c)

Herbivore

d)

Omnivore

20.

What does this describe? An organism that breaks down the cells of dead plants and animals.

a)

Producer

b)

Herbivore

c)

Decomposer

d)

Carnivore

21.

What does this describe

an organism, as a plant, that is able to produce its own food

a)

Decomposer

b)

Producer

c)

Herbivore

d)

Humans

22.

What does this describe

an animal or person that eats food of both plant and animal origin.

a)

Herbivore

b)

Carnivore

c)

Omnivore

d)

Decomposer

23.

What does this describe

a person or thing that eats something.

a)

Producer

b)

Decomposer

c)

Consumer

d)

Buyer

24.

What do plants need to survive?

a)

Sun and water

b)

Sun, Carbon dioxide, Oxygen, Water

c)

Sun, Oxygen, Water

d)

Sun, Carbon dioxide, Water

25.

About how long is 1 full cycle of the moon?

a)

About 1 day

b)

About 1 year

c)

About 1 month

d)

About 1 week

26.

Humans are _______________?

a)

Omnivore

b)

Herbivore

c)

Carnivores

d)

Decomposer

27.

If a lion is chasing after a deer. In this situation the lion is the _____________?

a)

Prey

b)

A Boss

c)

Predator

d)

Omnivore

28.

If a lion is chasing after a deer. In this situation the deer is the _____________?

a)

Prey

b)

A chicken

c)

Preditor

d)

Omnivore

29.

Cooking on the stove is an example of what type of energy?

a)

Mechanical

b)

Kinetic

c)

Thermal

d)

Electrical

30.

Turing my lamp on in the bedroom is an example of what type of energy?

a)

Electrical

b)

Mechanical

c)

Kinetic

d)

Sound

31.
How do plants get energy? 
a)
Photosynthesis 
b)
Eating other plants
c)
Respiration
d)
hydroponics 
32.
This part of the plant captures energy from the Sun.
a)
Stem
b)
Carbon Dioxide
c)
Chlorophyll
d)
Roots
33.
All living and non living things that interact in an area. 
a)
School
b)
Home
c)
Ecosystem
d)
environment 
34.
During photosynthesis plants make sugar and....
a)
Carbon Dioxide
b)
Dirt
c)
Oxygen
d)
light
35.

What breaks down dead organisms and their waste?

a)

Decomposers

b)

dirt

c)

wind

d)

Miguel

36.

What is Newton's first Law of Motion?

a)

Every action has an equal opposite reaction

b)

Sandwich

c)

An object in motion stays in motion unless acted upon by an unbalanced force

d)

The force acting on an object is equal to the mass of an object times its Acceleration

37.

What is formula of Force?

a)

Net force * Mass

b)

Mass / Acceleration

c)

Sandwich

d)

Mass / Velocity

38.

How Long does it take for light to get from the sun to the Earth?

a)

150 Million Years

b)

8 minutes

c)

Sandwich

d)

10 seconds

39.

What are the inherited characteristics?

a)

The qualities an organism has.

b)

To receive characteristics, or traits, from an organism's parents.

c)

When two or more living things need the same resources in order to survive.

d)

The ways that animals act.

40.

What are the animal behaviors?

a)

The qualities an organism has.

b)

To receive characteristics, or traits, from an organism's parents.

c)

When two or more living things need the same resources in order to survive.

d)

The ways that animals act.

41.

What is a stimulus?

a)

The qualities an organism has.

b)

To receive characteristics, or traits, from an organism's parents.

c)

Is something that causes a reaction in a living thing.

d)

The ways that animals act.

42.

What is an instinct?

a)

The qualities an organism has.

b)

Is a behavior that is inherited.

c)

Is something that causes a reaction in a living thing.

d)

The ways that animals act.

43.
Which moon phase comes after waxing crescent?
a)
First Quarter
b)
Waning Crescent
c)
Full moon
d)
Waxing Gibbous
44.
Sometimes people see figures such as animals in the arrangement of the stars, these figures are called:
a)
Supernova
b)
Constellations
c)
Supergiants
45.
The orbit of the Earth around the sun is:
a)

circular

b)
elliptical
c)
irregular
46.
What causes the temperatures at the north and south pole to remain cold throughout the year?
a)
The speed at which the Earth moves around the sun
b)
The tilt of the Earth on its axis
47.
Fill in the blanks.In a 24 hour period, the earth completes one ________ on its ________
a)
rotation, orbit
b)
revolution, axis
c)
rotation, axis
d)
revolution, orbit
48.
A shooting star  is actually a:
a)
a star
b)
a meteor
c)
and asteroid
49.
What revolves around a planet?
a)
star
b)
moon
c)
comet
50.
Which moon phase is Earth between the moon and the sun?
a)
New moon
b)
full moon
c)
first quarter
51.
Which planet is located between mars and Saturn?
a)
Mercury
b)
Earth
c)
Jupiter
d)
Uranus
52.
What season is the Southern hemisphere in when the North Pole is leaning into the Sun?
a)
Summer
b)
Fall
c)
Winter
d)
Spring
53.
When the Northern Hemisphere of Earth is Leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
54.

Which hemisphere do we live in?

a)

Northern Hemisphere

b)

Southern Hemisphere

c)

Western Hemisphere

d)

Eastern Hemisphere

55.

Based on the diagram, which season would the northern hemisphere be experiencing?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

56.

What season is the southern hemisphere experiencing when the northern hemisphere is experiencing summer

a)

Fall

b)

Winter

c)

Spring

d)

Summer

57.

How long does it take for Earth to complete one full revolution around the sun?

a)

365 days

b)

24 years

c)

24 weeks

d)

6 months

58.

Around June 22nd we have the greatest amount of day time hours. This day is also known as the

a)

Summer Equinox

b)

Summer Solstice

c)

Summer Hemisphere

d)

Direct Summer

59.

During an equinox the sun is directly over the

a)

North Pole

b)

South Pole

c)

Equator

d)

United States

60.

What season would we be experiencing with Earth #3?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

61.

The imaginary pole that runs through the center of the Earth is called Earth's _______________.

a)

Pole

b)

Axis

c)

Arm

d)

Hemisphere

62.

How many degrees is the Earth tilted on axis

a)

3.5 degrees

b)

23.5 degrees

c)

35.2 degrees

d)

235 degrees

63.

The spinning of Earth on its axis is known as

a)

Rotation

b)

Revolution

c)

Orbit

d)

Solstice

64.

How long does it take for Earth to complete one full rotation?

a)

2 hour

b)

4 hours

c)

24 hours

d)

240 hours

65.

What time of day is represented in the picture at letter x?

a)

Day

b)

Night

66.

What season would we be experiencing with Earth #1?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

67.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
68.

What is an eclipse

a)

Sun's light blocked

b)

Planet blocks a planet

c)

Diamond ring

d)

Penumbra

69.

What moon phase creates a lunar eclipse

a)

Waxing quarter

b)

Waning quarter

c)

Full moon

d)

New moon

70.

What moon phase creates a solar eclipse

a)

New moon

b)

Full moon

c)

Waning quarter

d)

Waxing quarter

71.

Potential energy is...

a)

energy in motion

b)

stored energy

72.

What two factors affect an object's potential energy?

a)

area and volume

b)

area and height

c)

mass and height

d)

mass and velocity

73.

The least amount of potential energy is at

a)

a

b)

b

c)

c

d)

d

74.

The most potential energy is at

a)

a

b)

b

c)

c

d)

d

75.

Where would a person have to be located to have the minimum potential energy?

a)

up on the roof

b)

down in the basement

c)

in the middle

d)

outside

76.

Where would a person have to be located to have the maximum potential energy?

a)

up on the roof

b)

down in the basement

c)

in the middle

d)

outside

77.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
78.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
79.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
80.

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

a)

Something Mr. Lance likes to say.

b)

Life

c)

Law of Conservation of Energy

d)

The scientific method

e)

Newton's Third Law

81.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
82.

What is energy?

a)

something that picks up things, like a magnet.

b)

Motion of an object

c)

ability to do work

d)

magic rays of sunshine that come down when you're feeling blue.

83.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power