North
What is the smallest unit of matter that still has the properties of an element?
Atom
What force pulls objects toward Earth?
Gravity
What form of energy is associated with the movement of molecules?
Thermal Energy
What type of energy is stored due to position or height?
Potential Energy
What type of energy comes from the flow of electrons?
Electrical Energy
What is the center of an atom called?
Nucleus
Which law states that an object will stay at rest or in motion unless acted on by a force?
Newton's First Law of Motion
What type of heat transfer occurs through direct contact between materials?
Conduction
What is the term for energy of motion?
Kinetic Energy
What is the basic unit of temperature in the metric system?
Celsius
Which state of matter has a definite shape and volume: solid, liquid, or gas?
Solid
What do we call a push or a pull?
Force
What type of wave requires a medium: mechanical or electromagnetic?
Mechanical
What is the measure of how much matter is in an object?
Mass
Which law says matter is not created or destroyed in a chemical reaction?
Law of Conservation of Mass
What do we call matter that has no definite shape or volume and expands to fill a container?
Gas
What unit is used to measure force?
Newton (N)
What is the distance between one crest of a wave and the next crest called?
Wavelength
Which has more mass: a pound of feathers or a pound of bricks?
They are the same (a pound is a pound)
What is the building block of all living and nonliving materials: atoms or molecules?
Atoms
What particle in an atom has a negative charge?
Electron
What do we call the speed of an object in a specific direction?
Velocity
What do we call a change from a solid directly to a gas?
Sublimation
What do we call the ability to do work or cause change?
Energy
What do we call a material that does NOT conduct heat or electricity well?
Insulator