Transcript Forces Motion and Energy

Forces
Motion
Energy
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Any push or pull that causes two or
more objects to change direction.
Force
A force that opposes motion
when 2 surfaces rub against
each other.
Friction
A force of attraction
between magnets and
magnetic objects. . .
Magnetism
The force that pulls objects
in the universe together. . .
Gravitation
The three forces that affect objects on
Earth every day are. . .
Friction, magnetism, gravity
The state of matter that does not have
a definite shape or volume.
Balanced forces
The ability of one substance to
be dissolved in another
substance.
Unbalanced forces
Adding or subtracting the
individual forces gives a value of the
combined forces that is called its . . .
Net force
Something that makes a task easier by
changing the size or direction of a force
or the distance over which the force acts.
A machine.
The use of a force to move an object
through a distance.
Work
An object’s place or location . . .
Position
A measure of the distance
an object moves in a given
amount of time. . .
Speed
An object’s speed in a particular
direction is its. . .
Velocity
Any change in velocity is called . . .
Acceleration.
A measure of how hard it is to slow
down or stop an object . . .
Momentum.
The property of matter that keeps an
object moving in a straight line or keeps
it at rest . . .
Inertia
Finish this statement:
For every action, there is an equal
and opposite ________.
Reaction.
The ability to cause changes in matter is
called . . .
Energy
The energy of motion is called . . .
Kinetic energy.
The energy that an object has because
of where it is or because of its
condition is called . . .
Potential energy.
The table of elements in order of
increasing atomic number; grouped by
similar properties.
Periodic table
A substance made of the atoms of two
or more different elements.
Compound 
What is
photosynthesis?
The process
plants use to
make food
Where do
plants get
their green
color?
From chlorophyll
What do plants
make during
photosynthesis?
Oxygen!!