Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

12 Questions

0 Views

Law of Conservation of Mass and Matter

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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 Signup and view all the answers

Which philosopher hypothesized that matter is made of atoms?

Democritus Signup and view all the answers

What does the Law of Conservation of Mass state?

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

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

Entropy measures order Signup and view all the answers

What is the role of kinetic energy in machines?

Energy of something in motion Signup and view all the answers

How do primary consumers obtain energy in an ecosystem?

By directly consuming autotrophs Signup and view all the answers

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

Radiant energy from the Sun Signup and view all the answers

What do food webs in ecosystems illustrate?

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

In what way do gases experience pressure changes?

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