Kinetic & Potential Energy
Speed & Motion
Balanced & Unbalanced Forces
Gravity
Scientific Method/ Nature of Science
100
The two MAIN types of energy are ___ and ___.
What are Potential energy and Kinetic energy?
100
The measure of how far something moves in a designated amount of time.
What is speed?
100
This is required to change the motion of any object.
What is force?
100
This is how you are held to Earth.
What is gravity?
100
The educated guess a scientist makes in an experiment.
What is a hypothesis?
200
Energy of chemical composition or position.
What is Potential Energy?
200
A change in position over time.
What is motion?
200
The combination of all the forces acting on an object.
What is net force?
200
The person who came up with the law of gravity.
Who is Sir Isaac Newton?
200
The variable in an experiment that is changed.
What is the independent variable?
300
Energy of motion.
What is Kinetic Energy?
300
Speed with a specific direction.
What is velocity?
300
The tendency of all objects to resist any change in motion.
What is inertia?
300
The elements that determine the force of gravity.
What is gravitational force, mass, and distance?
300
Ellie is finding distance that a toy race car travels. The metric unit she uses to measure is ___.
What is centimeters?
400
States that energy can be neither created nor destroyed.
What is the law of conservation of energy?
400
The formula for finding speed.
What is S=d/t?
400
Forces acting in action/reaction pairs.
What is a force pair?
400
This is how gravity affects the planets of our solar system.
What is it keeps them in orbit?
400
The last step in the scientific method.
What is conclusion?
500
Mechanical energy=kinetic energy+potential energy. Kinetic energy= 34.7 Potential energy= 154.8 Mechanical energy=?
What is 189.5 m/s?
500
Sally travels 215 meters in 10 seconds. Her speed is___ m/s.
What is 21.5 m/s?
500
This is the reason that when two forces are applied on a soccer ball, it accelerates.
What is unbalanced forces?
500
When the only force acting on an object is gravity.
What is free fall?
500
The difference between a theory and a scientific law.
What is a law is proven and backed up with scientific facts. A theory is somewhat proved, but is not considered a completely true statement.
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