GED Science Terms Quizs

Mitosis

• The first stage of cell division, where DNA is replicated.

• The second stage of cell division, in which the nucleus divides, that occurs in four phases: prophase, metaphase, anaphase, and telophase.

• The process of cell differentiation into specialized cells.

• The final stage of cell division, where the cytoplasm divides.

Atom

• The smallest unit of matter that constitutes an element, made up of three basic particles: protons, electrons, and neutrons.

• A large particle that makes up the nucleus of an atom.

• A type of molecule that contains two or more atoms bonded together.

• A fundamental force that holds particles together in an atom.

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Kinetic energy

• The energy that an object has because of its motion.

• The energy stored in an object due to its position.

• The energy released during a chemical reaction.

• The energy associated with the temperature of an object.

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Solute

• A substance that is dissolved in a solution and is usually present in a smaller amount.

• A substance that is present in a larger amount in a solution.

• A type of solvent that enhances the solubility of other substances.

• A chemical reaction that occurs in a solution.

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Lithosphere

• The rigid outer layer of the earth, which consists of the crust and the upper mantle.

• The layer of the earth that is molten and flows like a liquid.

• The inner core of the earth made up of solid iron and nickel.

• The atmosphere surrounding the earth that contains gases essential for life.

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Galaxy

• A massive group of stars, gas, dust, and dark matter held together by gravity.

• A small cluster of stars orbiting a single planet.

• A collection of planets and moons revolving around a star.

• A bright streak of light caused by a meteoroid entering the Earth's atmosphere.

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Renewable resources

• Resources that can be replenished naturally over time, such as trees and fish.

• Resources that are finite and will eventually run out, like fossil fuels.

• Naturally occurring resources that will never run out such as wind, waves, air, and sunlight.

• Resources that are man-made and can be reused, like plastic and metal.

Electrons

• Subatomic particles that orbit the nucleus of an atom and have a negative electrical charge.

• Particles that are found in the nucleus of an atom and have a positive charge.

• Large particles that are responsible for the mass of an atom.

• Neutral particles that do not have any electrical charge.

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Carbon Cycle

• The process by which carbon is transferred from the atmosphere into organisms and the earth and then back into the atmosphere.

• A method of storing carbon in fossil fuels underground.

• The cycle of carbon in the form of carbon dioxide in the ocean only.

• A process that only occurs in plants during photosynthesis.

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Decomposition reaction

• A chemical reaction that happens when compounds are broken down into simpler products.

• A reaction where two or more substances combine to form a new compound.

• A reaction that involves the transfer of electrons between two species.

• A reaction that occurs when a substance changes its state without altering its chemical composition.