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Law of Conservation of Mass and Matter

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Questions and Answers

Matter cannot be ________.

Found in the biosphere
Created or destroyed (correct)
Converted into water vapor
Transformed into energy

What did French chemist Lavoisier demonstrate about matter?

Matter is always conserved (correct)
Matter is constantly changing form
Matter can be converted into energy
Matter can be created and destroyed

Which gas released during burning contributes to climate change?

Methane
Carbon monoxide
Oxygen
Carbon dioxide (correct)

What is the main component of an energy pyramid structure?

Energy (A) Signup and view all the answers

Which philosopher hypothesized that matter is made of atoms?

Democritus (C) Signup and view all the answers

What does the Law of Conservation of Mass state?

Mass remains unchanged despite atom rearrangement (C) Signup and view all the answers

What is the main concept behind the second law of thermodynamics?

Entropy measures order (C) Signup and view all the answers

What is the role of kinetic energy in machines?

Energy of something in motion (A) Signup and view all the answers

How do primary consumers obtain energy in an ecosystem?

By directly consuming autotrophs (B) Signup and view all the answers

What is the main source of energy for most living things on Earth?

Radiant energy from the Sun (C) Signup and view all the answers

What do food webs in ecosystems illustrate?

Individual food chains within a larger web (B) Signup and view all the answers

In what way do gases experience pressure changes?

From molecules' continuous physical force against a container (D) Signup and view all the answers

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