The Atmosphere
Grade 5 · Science · Earth Systems · Nunavut, Canada
Lesson Summary
Learn about the layer of gases that surrounds Earth and protects life.
Explanation
The atmosphere is the blanket of gases surrounding Earth. It is mostly nitrogen and oxygen, with small amounts of other gases like carbon dioxide and water vapor. The atmosphere has several layers, but the lowest layer, the troposphere, is where weather happens. The atmosphere protects us by blocking harmful rays from the sun, keeps Earth warm enough for life, and provides the oxygen we breathe.
Practice Questions
Q1: What two gases make up most of the atmosphere?
Answer: Nitrogen and oxygen. Nitrogen makes up about 78 percent and oxygen about 21 percent.
Q2: In which layer of the atmosphere does weather occur?
Answer: The troposphere, which is the layer closest to Earth's surface.
Q3: How does the atmosphere protect life on Earth?
Answer: It blocks harmful rays from the sun, keeps temperatures warm enough for life, and provides the oxygen we need to breathe.
People Also Ask
What is The Atmosphere in Grade 5 Science?+
The Atmosphere is a lesson in the Earth Systems chapter of Grade 5 Science. It is part of the Nunavut, Canada school curriculum and covers key concepts that students need to understand at this level.
What grade level covers The Atmosphere?+
The Atmosphere is taught in Grade 5 as part of the Science curriculum in Nunavut, Canada.
How can I help my child with Earth Systems in Science?+
Start with the lesson summary and explanation on this page. Practice the questions provided, then use TutorTom for personalized, step-by-step help with Earth Systems topics.