Physical Science: Matter

What safety rules should you follow in a science lab?

• Wear safety goggles when instructed.

• Never fool around during a lab.

• Tell your teacher immediately if a spill occurs.

• All of the above.

Mineral oil is less dense than water. Mercury, a liquid metal, is more dense than water. If mineral oil, mercury, and water were mixed together, which liquid would float to the top?

• Mercury

• Mineral oil

• Water

• Both mercury and mineral oil would float to the top.

The contents of a can do not dissolve in water and bubble with an odor in acid. What conclusion can be made?

• The can contains a liquid.

• The can contains a gas.

• The can contains a substance that reacts with acid.

• The contents of the can are toxic.

Tags

NGSS.MS-PS1-2

What can you determine by submerging a solid in water?

• If the solid is more or less dense than water

• Whether the solid is soluble in water.

• The color change of the solid.

• The temperature of the solid.

What is the density of a metal with a mass of 10 grams and a volume of 2cm³?

• 20 g/cm³

• 10 g/cm³

• 5 g/cm³

• 0.2 g/cm³

Which is a chemical property of a substance? The substance ___________ .

• bends easily

• is more dense than water

• melts at a specific temperature

• reacts with hydrochloric acid

Tags

NGSS.MS-PS1-2

Which of the following lists physical properties?

• density, melting point, reaction with acid

• flexibility, reaction with acid, color

• flammability, color, density

• flexibility, color, density

How many elements are in one molecule of water (H₂O)?

• 2

• 12

• 22

• 45

Tags

NGSS.MS-PS1-1

An element contains

• one kind of atom

• two or more kinds of atoms

• one kind of molecule

• two or more kinds of molecules

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1