Vocabulary 1
Which word means the ability to make things move or change?
Energy
Which word means the energy that an object has because it is moving?
Kinetic Energy
Whenever something moves or changes. It is because of _______.
Energy
What is the ability to make things move or change?
Energy
What is a push or pull on an object?
Force
Which word means a set of interacting parts forming a complex whole?
System
Which word means a machine that can convert kinetic energy into electrical energy?
Generator
When something is moving, it has __________ energy.
Kinetic
What type of energy does a moving object have?
Kinetic energy
What happens to an object's motion when the forces acting on it are balanced?
Its motion does not change.
Which word means the process of making clear how your evidence supports your claim?
Reasoning
Which word means to move from one object to another or from one place to another?
Transfer
When something has the ability ot make things move or change in the future, it has ____________ energy, even if it is not moving or changing now.
potential
A student eats food and then uses that energy to ride a bicycle. What type of energy is stored in the food?
Chemical (Potential Energy)
Two students push a box in opposite directions with equal force. What is the net force on the box?
0 N (Newtons)
5N--> O <--5N = The same thing Class
Which word means information about the natural world that is used to support or go against (refute) a claim?
Evidence
Refute
___________ creates energy. If something has energy, the energy must have been transferred from something else.
Nothing
A person pedals a bicycle connected to a generator. What energy transformation occurs?
Kinetic energy is transformed into electrical energy
One student pushes a cart right with 50 N while another pushes left with 30 N. What is the net force?
20 N to the right
Which word means a proposed answer to a question about the natural world?
Claim
What is energy that is stored in an object or system?
Potential Energy
Energy can be ____________ from one object to aother, and energy can be _________ from one type to another.
transferred, converted
Why does a moving object often slow down even when it doesn't collide with another object?
Energy is transferred to the surroundings through friction, often as thermal energy
What must be true about the forces on an object if its velocity is changing?
velocity is changing? The forces are unbalanced / there is a nonzero net force