What is a pure substance made from a single type of atom?

• Element

• Compound

• Mixture

• None of the Above

What is formed when elements are formed by chemical bonds? Remember, these bonds are so strong that the compound behaves like a single substance.

• Element

• Compound

• Mixture

• None of the Above

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is made when two or more substances are combined, but not chemically bonded?

• Element

• Compound

• Mixture

• None of the Above

Do these molecules represent a solid, liquid, or gas?

• Solid

• Liquid

• Gas

• None of the above

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Do these molecules represent a solid, liquid, or gas?

• Solid

• Liquid

• Gas

• None of the Above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Do these molecules represent a solid, liquid, or gas?

• Solid

• Liquid

• Gas

• None of the Above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What law states that in an isolated system mass cannot be created or destroyed?

• Law of Conservation of Energy

• Law of Conservation of Mass

• Gravity

• Friction

Tags

NGSS.MS-PS1-5

Is sodium chloride an element, compound, or mixture?

• Element

• Compound

• Mixture

• None of the Above

Tags

NGSS.MS-PS1-1

Is saltwater an element, compound, or mixture?

• Element

• Compound

• Mixture

• None of the Above

Tags

NGSS.MS-PS1-1

Is Potassium an element, compound, or mixture?

• Element

• Compound

• Mixture

• None of the Above

Tags

NGSS.MS-PS1-1