Scientific Vocabulary

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What is a hypothesis?
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A hypothesis is a proposed explanation for an observation, which can be tested through experiments.
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Define ecosystem.
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An ecosystem is a community of living organisms and their interactions with their environment.
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What is the law of conservation of energy?
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Energy cannot be created or destroyed, only transformed from one form to another.
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Explain the scientific method.
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The scientific method is a systematic process for experimentation used to explore observations and answer questions.
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What does DNA stand for?
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DNA stands for Deoxyribonucleic Acid.
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Define biodiversity.
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Biodiversity refers to the variety and variability of life on Earth.
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What is renewable energy?
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Renewable energy is energy from sources that are naturally replenishing such as solar or wind power.
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Define gravitational force.
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Gravitational force is the force of attraction between two masses.
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What is thermal conductivity?
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Thermal conductivity is the property of a material to conduct heat.
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Explain photosynthesis.
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Photosynthesis is the process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water.
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What is an atom?
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An atom is the basic unit of a chemical element, consisting of a nucleus and electrons.
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Define velocity.
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Velocity is the speed of something in a given direction.
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What is a catalyst?
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A catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent change.
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Explain what a neuron is.
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A neuron is a nerve cell, the basic building block of the nervous system, transmitting information throughout the body.
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What does 'biodegradable' mean?
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A substance is biodegradable if it can be broken down by microorganisms into simpler, non-toxic substances.
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