Potential or Kinetic?
A ball sitting on a table
Potential
What type of energy can we hear?
Sound
Using a toaster to make toast.
Electrical-->Mechanical-->Thermal
As mass increases, kinetic energy decreases.
False
What is the difference between a substance and a mixture?
Substance=fixed composition
Mixture=can be separated by physical means
A ball rolling across the floor
Kinetic
What type of energy do we need wires, cords, and/or plugs to use?
Electrical
Turning on a light in your room.
Mechanical-->Electrical-->Light/Thermal
As velocity increases, kinetic energy increases.
True
What is the difference between a physical and a chemical change?
Physical change= identity of the object remains the same
Chemical change= forms a new substance
A skydiver in the plane before falling.
Potential
Is chemical energy stored or moving?
Charging your phone and then turning it on to use it.
Electrical-->Light and Sound
Energy is the ability to do work and the movement of particles from place to place.
True
What are the 3 ways that heat can transfer called?
Conduction, Convection, Radiation
A ball reaching its highest point in the sky before falling.
What are the 4 types of energy we know that fall under "potential energy"?
Chemical, Nuclear, Elastic, Gravitational
A person making music on a piano.
Mechanical-->Sound
Energy can change forms and it can be destroyed.
False
What is the difference between an element and a molecule?
Element= simplest form of matter; one type of atom
Molecules=two of more atoms/elements combined
A roller coaster as it begins to go down the first hill
Losing potential, gaining kinetic
What are the 5 types of energy we know that fall under the category of "kinetic energy"?
Light, Sound, Thermal, Mechanical, & Electrical
Sunlight shining on plants to help them grow.
Light/Thermal-->Chemical
Volume and velocity are the two factors that affect the amount of kinetic energy in an object.
False
What are conductors and insulators of thermal energy? Give an example of each.
Conductors=Allow thermal energy to pass through easily
Insulators=Block the passing of thermal energy