Science Vocabulary

Weight

• The pull of gravity on an object.

• The mass of an object without gravity.

• The force exerted by an object in motion.

• The total amount of matter in an object.

Conductor

• A substance that allows energy to pass through it.

• A material that prevents energy flow.

• A type of electrical insulator.

• A device that generates energy.

Substance

• Material with particular physical characteristics.

• A type of chemical reaction.

• A mixture of different elements.

• A process of changing states.

Control

• A factor that remains unchanged during an experiment.

• A variable that is manipulated in an experiment.

• A measurement taken at the end of an experiment.

• A hypothesis that is tested during an experiment.

Matter

• A substance that takes up space and has mass.

• A type of energy that can be converted into matter.

• A physical phenomenon that occurs in a vacuum.

• A form of liquid that cannot be compressed.

Vanish

• To completely disappear suddenly.

• To appear suddenly and unexpectedly.

• To become visible after being hidden.

• To slowly fade away over time.

Cooling

• The process of making something less warm or hot.

• The process of increasing the temperature of an object.

• The process of changing a liquid into a gas.

• The process of heating something to a high temperature.

Material

• A substance that makes up an object.

• A type of fabric used in clothing.

• A chemical compound used in construction.

• A tool used for measuring dimensions.

Qualitative Properties

• Properties that describe an object's color, texture, smell, taste, or general appearance.

• Properties that can be measured numerically.

• Properties that describe an object's mass and volume.

• Properties that are always constant regardless of the object's state.

Contract

• When the cooling of an object causes it to decrease in size.

• When an object expands due to heat.

• The process of changing a solid into a liquid.

• The act of making a formal agreement.