Atoms, Elements, Compounds, Molecules (P2.1)

1. An atom is ...

• A. the smallest unit of an element.

• B. the largest unit of an element.

• C. the result of mixing two or more substances.

• D. a long, deep, narrow valley with steep walls.

Tags

NGSS.MS-PS1-1

2. An Element is ...

• A. made up of more than one atom that can be broken down into simpler substances.

• B. made up of more than one atom that cannot be broken down into simpler substances.

• C. made up of only one atom.

• D. made up of only one atom that cannot be broken down into simpler substances by physical means.

Tags

NGSS.MS-PS1-1

3. A Mixture is ...

• A. a composition of one substance that is chemically combined and not capable of being separated.

• B. the amount of 3-dimensional space occupied by an object.

• C. two or more substances that are not chemically combined with each other and are capable of being separated.

• D. the changing of a liquid to a gas when heat energy is applied.

Tags

NGSS.MS-PS1-1

4. Which of these are examples of elements?

• A. Oxygen, Salt, Iron.

• B. Oxygen, Sodium, Chlorine.

• C. Hydrogen, Salt, Sea Water.

• D. Salt, Pepper, Sugar.

5. If something has mass and occupies space, it can be defined as having what?

• A. Atoms

• B. Elements

• C. Solid

• D. Matter

6. All living and nonliving things are made up of a combination of ...

• A. Elements

• B. Liquids

• C. Crystals

• D. Oxygen

Tags

NGSS.MS-PS1-1

7. Atoms have mass and take up space. This is because atoms are a type of ...

• A. Energy

• B. Physical property

• C. Matter

• D. Living organism

Tags

NGSS.MS-PS1-1

8. What is the smallest particle of an element that still has the same chemical properties?

• A. Atom

• B. Mixture

• C. Compound

• D. Molecule

Tags

NGSS.MS-PS1-1

9. Which is a substance made up of only one kind of atom?

• A. Compound

• B. Solution

• C. Element

• D. Mixture

Tags

NGSS.MS-PS1-1

10. An element is made up of …

• A. Different types of cells.

• B. Only one type of atom.

• C. A mixture of different types of atoms.

• D. Different types of atoms that have been combined chemically.

Tags

NGSS.MS-PS1-1