Kinetic and Potential Energy
Speed and Motion
Balanced and Unbalanced Forces
Gravity
Scientific Method/ Nature of Science
100
_____________ is the energy of motion.
Kinetic energy.
100
If an object changes its position, it is ______.
In motion.
100
What is a force?
A push or a pull.
100
______ is a force of attraction between objects due to their mass and distance.
Gravity.
100
Science is based on ________.
Facts and EVIDENCE!!!
200
What is potential energy?
Stored energy.
200
What is the formula for speed?
Speed= Distance/Time (s=d/t)
200
_______ are used to measure force. (what unit)
Newtons.
200
What is the formula for finding force?
Force= Mass x Gravity (f=mg)
200
A _____ is a representation of something in the natural world, typically too small or large to study up close.
Model.
300
What do potential energy and kinetic energy have in common?
They both have the ability to cause change.
300
What is position?
Position describes the location of an object.
300
What is net force?
The combination of all forces acting on an object.
300
What two factors determine the force of gravity?
Distance and mass.
300
What is the difference between qualitative data and quantitative data?
Qualitative data is data involving words, such as descriptions and observations; Quantitative data is data using numbers and statistics.
400
What is the sum of potential and kinetic energy?
Mechanical energy.
400
What is a reference point?
A location to which you compare other locations.
400
Unbalanced forces combine to produce ____________.
Acceleration.
400
What is orbit?
When an object travels around another object in space.
400
You use a __________ to record data and observations.
Data table or graph.
500
How does the law of conservation of energy apply to kinetic and potential energy?
The energy can neither be created nor destroyed, but it can be transformed between kinetic and potential energy in equal amounts.
500
What is velocity?
Speed in a specific direction.
500
What is inertia (Newton's first law)?
The tendency of all objects to resist any change of motion.
500
Something is in ________ when gravity is pulling it down and no other forces are acting upon it.
Free fall.
500
What two groups are needed for a successful experiment?
A CONTROL group and an EXPERIMENTAL group.
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