Question | Answer |
A boundary between two air masses | Front |
The process that changes food into a form that the body can use | Digestion |
The smallest kind of blood vessels | Capillary |
How can oceans be described? | Water |
How does the air move? | Weather |
The convection currents in the atmosphere | Wind |
A change in which matter keeps the same chemical properties | Physical Change |
The smallest particle of an element with the same properties of an element | Atom |
The process by which a solid changes directly into a gas | Sublimation |
Usually an artificial lake that forms behind a dam | Reservoir |
The top level of groundwater in an aquifer | Water Table |
A kind of matter made up of a chemical combination of two or more elements | Compound |
A mixture in which substances are spread out evenly and will not settle | Solution |
A change in which one kind of matter changes into a different kind of matter with different properties | Chemical Change |
A substance used in a chemical reaction | Reactant |
The process by which particles leave a gas and become liquid | Condensation |
A blood vessel that carries blood from the heart to other parts of the body | Artery |
A system that includes the sun and its planets, along with many moons, asteroids, and comets | Solar System |
The water that falls from clouds as rain, hail, sleet, or snow | Precipitation |
A blood vessel that carries blood toward the heart | Vein |
The process by which particles leave a gas and become a liquid | Evaporation |
The level of the surface of the ocean | Sea Level |
A part of a cell that stores water and nutrients | Vacuole |
The smallest part of a substance made from more than one atom that still have the properties of that substance | Molecule |
The weight of air pushing down on an area | Atmospheric Pressure |
A group of the same kind of cells that work together to do a job | Tissue |
A group of different tissues that join together to form one structure | Organ |
A structure in plant cells that stores | Chloroplast |
The tubes that carry water and minerals from a plants roots to its leaves | xylem |
The repeated movement of water through the environment in different forms | Water Cycle |
A substance made by a chemical reaction | Product |
A rocky object up to several hundred kilometers wide that revolves around the sun | Asteroid |
Any property of a material that can be seen or measured without changing the material | Physical Property |
A frozen mass of ice and dust with a tail up to 80 million kilometers long that is in orbit around the sun | Comet |
A statement of chemical symbols that shows what happens during a chemical reaction | Chemical Equation |
A large, round object that moves around the star, such us a sun | Planet |
One of more than 100 basic kinds of matter that cannot be broken into smaller pieces through physical or chemical process | Element |
A tool that measures wind speeds | Anemometer |
The area from which water drains into a river | Watershed |
An object that orbits another object in space | Satellite |
The tube that carries air from the larynx to the lungs | Trachea |
A small tube in the lungs that carries air to air sacks | Bronchiole |
A large body of air with similar properties all through it | Air Mass |
The frozen raindrops that fall as precipitation | Sleet |
A wind that spirals inward around an area of low pressure | Cyclone |
A tool that measures the amount of rain that has fallen | Rain Gauge |
A huge ball of very hot gas that gives off energy | Star |
The tube that carries food from the mouth to the stomach | Esophagus |
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