Chemistry of Life Worksheet
Explore the fundamental chemical components and processes that make up living organisms with this Grade 7 Science worksheet.
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Chemistry of Life
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following is considered the basic unit of life?
Molecule
Atom
Cell
Organ
2. Which of the following is NOT one of the four main types of organic molecules found in living things?
Carbohydrates
Water
Proteins
Lipids
3. The process by which plants use sunlight to convert carbon dioxide and water into food is called .
4. are the building blocks of proteins.
5. DNA and RNA are examples of acids, which carry genetic information.
6. All living organisms are made up of one or more cells.
True
False
7. Lipids are primarily used by the body for quick energy.
True
False
8. Label the main parts of the animal cell shown below.
9. Briefly explain the primary function of carbohydrates in living organisms.
Use the words below to complete the sentences.
10. The simplest form of carbohydrate, often called blood sugar, is .
11. Proteins that act as catalysts to speed up chemical reactions in the body are called .