Scientific Vocabulary

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What is a hypothesis?

A hypothesis is a proposed explanation for an observation, which can be tested through experiments.

Define ecosystem.

An ecosystem is a community of living organisms and their interactions with their environment.

What is the law of conservation of energy?

Energy cannot be created or destroyed, only transformed from one form to another.

Explain the scientific method.

The scientific method is a systematic process for experimentation used to explore observations and answer questions.

What does DNA stand for?

DNA stands for Deoxyribonucleic Acid.

Define biodiversity.

Biodiversity refers to the variety and variability of life on Earth.

What is renewable energy?

Renewable energy is energy from sources that are naturally replenishing such as solar or wind power.

Define gravitational force.

Gravitational force is the force of attraction between two masses.

What is thermal conductivity?

Thermal conductivity is the property of a material to conduct heat.

Explain photosynthesis.

Photosynthesis is the process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water.

What is an atom?

An atom is the basic unit of a chemical element, consisting of a nucleus and electrons.

Define velocity.

Velocity is the speed of something in a given direction.

What is a catalyst?

A catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent change.

Explain what a neuron is.

A neuron is a nerve cell, the basic building block of the nervous system, transmitting information throughout the body.

What does 'biodegradable' mean?

A substance is biodegradable if it can be broken down by microorganisms into simpler, non-toxic substances.

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