Week 1
a push or pull that causes an object to move, stop, or change direction.
What is force?
a material that allows energy to pass.
What is a conductor?
a complete pathway of conductors that allows electricity to flow through it.
What is an electric circuit?
the bending of light rays when they pass through a substance.
What is refraction?
the flow of electrical power or change through a circuit.
What is electricity?
properties that can be observed, measured, or changed.
What are physical properties?
a material that blocks energy from moving.
What is an insulator?
the concentration of matter in an object.
What is density?
the light energy that bounces off objects.
What is reflection?
a smooth steady movement.
energy caused by a vibrating object.
What is sound?
a combination of 2 or more substances that do not chemically change.
What is a mixture?
anything that has mass.
What is matter?
the energy of sunlight.
What is solar energy?
the force of attraction or repulsion.
What is magnetism?
a liquid mixture in which the particles of each substance are evenly mixed.
What is a solution?
the ability to cause changes in matter.
What is energy?
the movement of thermal energy.
What is heat?
a system with many parts.
What is a circuit?
the amount of matter in something.
What is mass?