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WorksheetsMCAS Review
Total questions: 123
Worksheet time: 2hrs 7mins
Moon, Sun, Earth
Moon, Sun, Earth
Which of the following converts food into energy for the cell?
vacuole
mitochondria
cytoplasm
cell membrane
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
An _______________ is made up of one or more of the same kind of atom chemically combined.
atom
element
molecule
compound
A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.
mixture
pure substance
compound
element
True or False: elements AND compounds are pure substances.
True
False
Biochemicals are divided into 4 categories: carbohydrates, lipids, nucleic acids, and _______________.
proteins
fats
sugars and starches
fibers
A ______________ mixture is one that does not have a uniform composition.
heterogeneous
homogenous
pure substance
A _________________ mixture is one where the substances are evenly spread throughout.
heterogeneous
homogeneous
pure substance
In a ______________, one substance is dissolved in another substance.
solution
suspension
colloid
Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.
heterogeneous
homogeneous
pure
Coffee, mouthwash, and vinegar are examples of __________________ mixtures.
heterogeneous
homogeneous
pure
Gravity is...
the force of attraction between any two objects
the force of attraction and repulsion between like and unlike poles
any phenomenon associated with stationary or moving electrons,ions or other charged particles
the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Magnetism is...
the force of attraction between any two objects
the force of attraction and repulsion between like an unlike poles
any phenomenon associated with stationary or moving electrons,ions, or other charged particles
Electricity is...
the force of attraction between any two objects
the force of attraction and repulsion between like an unlike poles
any phenomenon associated with stationary or moving electrons,ions, or other charged particles
What factor affects the force of a magnet
Mass
Distance
Density
Weight
The moon causing tides on Earth's oceans is an example of...
Magnetism
Gravity
Electricity
A chemical reaction
If a magnet breaks in half, does it still have two poles...
Yes
No
Two factors that affect the magnitude of the gravitational force between two objects are...
mass and distance
weight and distance
density and size
mass and weight
Which of the following would exert the greatest gravitational force?
Earth's moon
The Sun
Earth
JUpiter
The solar system is kept in flow due to...
the sun's exertion of heat
the sun's exertion of gravity on the planets
the planets having natural instincts of revolving around the sun
an electric connection between the planets and the sun
The amount of gravity acting on an object is that object's...
mass
weight
height
density
A material that allows heat and electrons to flow through easily is a(n)...
conductor
generator
insulator
electron
Electrons that flow in a closed path is called a...
path
current
circuit
wire
Protons have a _____ charge, while electrons have a _____ charge.
negative/positive
positive/negative
positive/neutral
neutral/negative
Energy in motion is ____________ energy.
Potential
Energy
Kinetic
Friction
____________ is the ability to do work or cause change.
Energy
Force
Friction
Motion
The faster an object moves, the ________ kinetic energy it has.
more
less
__________ energy is stored energy.
Potential
Kinetic
Force
Gravity
At which point is potential energy greatest?
W
X
Y
Z
When a pendulum swings, at which point is kinetic energy greatest?
1
2
3
4
What is happening to the potential energy between position 1 to 3?
Decreasing
Increasing
Stays the same
The Lay of Conservation of Energy states that energy cannot be ________ or ________, but it can change from one form to another.
created, destroyed
gravity, force
heat, created
What are the two factors that affect kinetic energy?
time and energy
power and mass
mass and speed
time and work
During the moon phase shown in the image Earth will experience a -
Spring Tide
Neap Tide
During the moon phase shown in the image Earth will experience a -
Spring Tide
Neap Tide
During the moon phase shown in the image Earth will experience a -
Spring Tide
Neap Tide
During which moon phases will Earth experience the strongest, or greatest difference between high and low tides?
First Quarter and Full Moon
First Quarter and Last Quarter
New Moon and Full Moon
New Moon and Last Quarter
During which moon phases will Earth experience the weakest, or least difference between high and low tides?
First Quarter and Full Moon
First Quarter and Last Quarter
New Moon and Full Moon
New Moon and Last Quarter
