Fields & Forces
A force that acts without physical contact is called what type of force?
What is a non-contact force
Kinetic energy depends on two measurable quantities. What are they?
What are mass and velocity
Energy changing from one form to another is called a ________.
What is an energy transformation?
Which two variables directly affect gravitational potential energy?
What are mass and height?
The variable you change in an experiment is called the ________.
What is the independent variable?
A push or a pull that can change an object’s motion is called a ________.
What is a force
What unit is kinetic energy measured in?
What is Joules
When motion energy turns into heat due to surfaces rubbing, what is this process called?
What is friction?
If height increases while mass stays constant, potential energy will ________.
What is increase?
The variable you measure is called the ________.
What is the dependent variable?
When like poles face each other, what happens?
What is they repel
In the kinetic energy formula, velocity is written as v². Explain what the “²” means.
What is velocity multiplied by itself (v × v)?
When kinetic energy decreases and temperature increases, energy is being transferred into what form?
What is thermal energy?
At the highest point of motion (top of hill), potential energy is at its ________.
What is maximum
Variables that stay the same in an experiment are called ________.
What are controlled variables?
When opposite poles face each other, what happens?
What is they attract
If two objects move at the same speed but have different masses, which has greater kinetic energy?
What is the object with greater mass?
Energy cannot be created or destroyed is known as the ________.
What is the Law of Conservation of Energy?
At the lowest point of motion (bottom of hill), kinetic energy is at its ________. While potential energy is at its__________.
What is maximum and minimum
A statement that answers a scientific question is called a ________.
What is a claim?
What is the name of the region around a magnet where it can exert force on another object without touching it?
What is magnetic field
What is the total energy of an object that includes both its motion and its position?
What is mechanical energy?
If an object stops moving, its energy has most likely been transformed into ________.
What is thermal energy?
When potential energy decreases, kinetic energy will ________ (ignoring friction).
What is increase?
The explanation that connects evidence to scientific principles is called ________.
What is reasoning?