Grade 7Science

Releasing Energy

Releasing Energy is a Grade 7 science concept from Amplify Science (California) Chapter 2: Cellular Respiration in Ecosystems, explaining that cellular respiration breaks down Energy Storage Molecules to release usable energy at the cellular level. By breaking chemical bonds in glucose and fats, respiration liberates the energy organisms need for movement, growth, and maintaining body temperature.

Key Concepts

This process occurs at the cellular level. By breaking the chemical bonds within glucose and fats, respiration liberates the energy required for essential functions such as movement, growth, and thermal regulation.

Common Questions

How do organisms release energy from food?

Organisms use cellular respiration to break down Energy Storage Molecules like glucose. This process breaks chemical bonds, releasing the stored energy that cells use for movement, growth, and other biological functions.

What happens to Energy Storage Molecules during cellular respiration?

During cellular respiration, the chemical bonds in Energy Storage Molecules are broken. The energy stored in those bonds is released and made available for cellular work, while carbon dioxide and water are produced as byproducts.

Why is cellular respiration necessary even after eating food?

Eating food provides Energy Storage Molecules, but cells cannot use them directly. Cellular respiration converts these molecules into usable energy in a form that powers biological processes at the cellular level.

What do Grade 7 students learn about releasing energy in Amplify Science?

In Chapter 2 of Amplify Science California Grade 7, students learn that cellular respiration is the mechanism organisms use to extract usable energy from stored organic molecules, enabling all biological functions.