Matter Anything that has mass and takes up

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Matter Anything that has mass and takes up space.

Matter Anything that has mass and takes up space.

Mass A measure of the amount of matter in an object

Mass A measure of the amount of matter in an object

Magnetism The properties of attraction possessed by magnets

Magnetism The properties of attraction possessed by magnets

Physical Properties of a substance that can be observed, measured, or changed without changing

Physical Properties of a substance that can be observed, measured, or changed without changing the substance into something else.

Conduction The passing of heat through a material while the material itself stays in

Conduction The passing of heat through a material while the material itself stays in place.

Insulation Blocking of heat from passing through.

Insulation Blocking of heat from passing through.

Change To go from one state, condition, or phase to another

Change To go from one state, condition, or phase to another

Ingredients The stuff of which a mixture is made out of.

Ingredients The stuff of which a mixture is made out of.

Mixture A combination of two or more substances that do not form a new

Mixture A combination of two or more substances that do not form a new substance.

Solution A mixture of substances that are blended so completely that the mixture looks

Solution A mixture of substances that are blended so completely that the mixture looks the same everywhere, even under a microscope.

Dissolving The process of going into a solution. It becomes disintegrated.

Dissolving The process of going into a solution. It becomes disintegrated.

Physical Change A change of matter in size, shape, or state without changing into

Physical Change A change of matter in size, shape, or state without changing into a new substance

Chemical Change A change of matter that produces a new substance

Chemical Change A change of matter that produces a new substance

Constant Continually happening.

Constant Continually happening.

Boiling Point The particular temperature for each substance at which it changes state from

Boiling Point The particular temperature for each substance at which it changes state from a liquid to a gas.

Melting The change of a substance from a solid to a liquid state.

Melting The change of a substance from a solid to a liquid state.

Melting Point The particular temperature for each substance at which it changes state from

Melting Point The particular temperature for each substance at which it changes state from a solid to a liquid.

Freezing Point When a substance changes state from a liquid to a solid.

Freezing Point When a substance changes state from a liquid to a solid.

Freeze The change of state from a liquid to a solid

Freeze The change of state from a liquid to a solid

Condensation The changing of a gas into a liquid

Condensation The changing of a gas into a liquid

Evaporation The changing of a liquid into a gas.

Evaporation The changing of a liquid into a gas.

Energy The ability to do work or cause change

Energy The ability to do work or cause change

Light A form of energy that travels in waves and can move through empty

Light A form of energy that travels in waves and can move through empty space.

Light Ray A straight line beam of light as it travels outward from its

Light Ray A straight line beam of light as it travels outward from its source.

Heat The movement of thermal energy from one substance to another

Heat The movement of thermal energy from one substance to another

Electricity The presence and motion of electrons, protons, and other charged particles.

Electricity The presence and motion of electrons, protons, and other charged particles.

Solar Energy from the sun

Solar Energy from the sun

Transfer To pass from one place, person, or thing to another

Transfer To pass from one place, person, or thing to another

Reflection The bouncing back of light rays from a surface

Reflection The bouncing back of light rays from a surface

Refraction The bending of light rays as they pass from one substance into another

Refraction The bending of light rays as they pass from one substance into another

Lens A curved piece of clear plastic or glass that bends light rays

Lens A curved piece of clear plastic or glass that bends light rays

Convex Lens A lens that curves outward and brings light together, making images appear

Convex Lens A lens that curves outward and brings light together, making images appear larger

Concave Lens Curves inward, spreads light rays apart making images appear smaller

Concave Lens Curves inward, spreads light rays apart making images appear smaller

Electric Circuit A complete pathway of conductors that electrons flow through

Electric Circuit A complete pathway of conductors that electrons flow through

Electric Current A constant flow of electrons through a conductor

Electric Current A constant flow of electrons through a conductor

Pitch How high or low a sound is

Pitch How high or low a sound is

Volume A measure of how much space an object takes up

Volume A measure of how much space an object takes up

Vibration The rapid back and forth motion of an object that produces sound

Vibration The rapid back and forth motion of an object that produces sound

Position The specific area of space occupied by a physical object

Position The specific area of space occupied by a physical object

Force A push or pull exercised on an object

Force A push or pull exercised on an object

Motion The state in which one object’s distance from another is changing

Motion The state in which one object’s distance from another is changing

Friction Force between two forces rubbing against each other; it works against motion

Friction Force between two forces rubbing against each other; it works against motion

Gravity A force of attraction, or pull, between any object and any other objects

Gravity A force of attraction, or pull, between any object and any other objects around it

Inclined plane A simple machine made of a flat, sloping surface

Inclined plane A simple machine made of a flat, sloping surface

Lever A simple machine made of a long bar or board that turns around

Lever A simple machine made of a long bar or board that turns around a support that does not move

Pulley A simple machine made of a wheel with a rope or chain wrapped

Pulley A simple machine made of a wheel with a rope or chain wrapped around it