Exploring Organic Compounds and Matter

What is an element?

• A substance that can be broken down into simpler substances by chemical means

• A substance that cannot be broken down into simpler substances by chemical means

• A combination of two or more substances

• A type of chemical bond

Which of the following is a compound?

• Carbon (C)

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NGSS.MS-PS1-1

Why is carbon essential to life on Earth?

• It forms strong ionic bonds

• It can form four covalent bonds, allowing for a variety of complex molecules

• It is the most abundant element in the Earth's crust

• It is a metal

Which of the following is a carbohydrate?

• Protein

• Lipid

• Glucose

• Nucleic acid

What is a chemical reaction?

• A process that changes one set of chemicals into another set of chemicals

• A process that involves the physical change of a substance

• A process that involves the movement of electrons in an atom

• A process that involves the breaking of physical bonds

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a monosaccharide?

• Starch

• Cellulose

• Glucose

• Glycogen

What is the primary function of proteins in living organisms?

• To store genetic information

• To provide energy

• To act as enzymes and structural components

• To form cell membranes

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NGSS.HS-LS1-1

Which of the following is an example of a polysaccharide?

• Glucose

• Fructose

• Sucrose

• Starch

What is a chemical bond?

• A force that holds atoms together in a molecule

• A type of chemical reaction

• A process that changes the state of matter

• A type of element

Tags

NGSS.HS-PS1-1

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Which of the following best describes an organic compound?

• A compound that contains carbon and is found in living things

• A compound that contains oxygen and is found in living things

• A compound that contains nitrogen and is found in living things

• A compound that contains hydrogen and is found in living things

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NGSS.HS-LS1-6