A polar molecule (H₂O) essential for life.

Movement of water through narrow spaces against gravity due to cohesion and adhesion.

Attraction between molecules of the same substance (water sticks to water).

Attraction between molecules of different substances (water sticks to other surfaces).

A characteristic that describes how matter behaves or appears.

Uneven distribution of electrical charge in a molecule.

Movement of energy or matter from one place to another.

The ability to do work or cause change.

The layer of gases surrounding Earth.

All the water on Earth (oceans, lakes, rivers, ice, vapor).

Long-term pattern of weather in a region.

Transfer of heat by movement of fluids (liquids or gases).

Change of state from liquid to solid.

Specific heat capacity

Amount of energy needed to raise the temperature of a substance.

State of matter with a fixed shape and volume.

State of matter with fixed volume but no fixed shape.

State of matter with no fixed shape or volume.

Substance that does the dissolving.

A mixture where a solute is evenly dissolved in a solvent.

Cohesive force at the surface of a liquid.

Continuous movement of water through Earth’s systems.

A temperature scale starting at absolute zero (Kelvin).

Substance that dissolves many materials (water).

Mixture with uniform composition.

Heterogeneous solution

Mixture with uneven composition.

Water droplets forming beads on a leaf

Water sticking to the sides of a glass

Example of surface tension

A water strider insect walking on water

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EES Unit 3.1

HI

Term	Definition
Water	A polar molecule (H₂O) essential for life.
Capillary action	Movement of water through narrow spaces against gravity due to cohesion and adhesion.
Cohesion	Attraction between molecules of the same substance (water sticks to water).
Adhesion	Attraction between molecules of different substances (water sticks to other surfaces).
Property	A characteristic that describes how matter behaves or appears.
Polarity	Uneven distribution of electrical charge in a molecule.
Transfer	Movement of energy or matter from one place to another.
Energy	The ability to do work or cause change.
Atmosphere	The layer of gases surrounding Earth.
Hydrosphere	All the water on Earth (oceans, lakes, rivers, ice, vapor).
Climate	Long-term pattern of weather in a region.
Convection	Transfer of heat by movement of fluids (liquids or gases).
Freeze	Change of state from liquid to solid.
Dissolve	To mix evenly into a solution.
Specific heat capacity	Amount of energy needed to raise the temperature of a substance.
Solid	State of matter with a fixed shape and volume.
Liquid	State of matter with fixed volume but no fixed shape.
Gas	State of matter with no fixed shape or volume.
Solute	Substance that is dissolved.
Solvent	Substance that does the dissolving.
Solution	A mixture where a solute is evenly dissolved in a solvent.
A mixture where a solute is evenly dissolved in a solvent.	Cohesive force at the surface of a liquid.
Water cycle	Continuous movement of water through Earth’s systems.
Kelvin scale	Kelvin scale
Absolute scale	A temperature scale starting at absolute zero (Kelvin).
Universal solvent	Substance that dissolves many materials (water).
Homogeneous solution	Mixture with uniform composition.
Heterogeneous solution	Mixture with uneven composition.
Examples of heterogeneous solutions	Sand in water
Examples of homogeneous solutions	Salt water
Example of cohesion	Water droplets forming beads on a leaf
Example of adhesion	Water sticking to the sides of a glass
Example of surface tension	A water strider insect walking on water
Example of capillary action	Water moving up a paper towel

Created by: user-2004096

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