Nature of Particulate Matter

Which of the following is the correct definition of matter?

• any physical substance that occupies space and has mass

• two or more atoms joined together

• the amount of space taken up by an object in liters

• the tendency of an object to rise or float in a liquid or gas

Tags

NGSS.MS-PS1-4

_____ believed that all matter was made of four elements: fire, water, earth, and air.

• Democritus

• Aristotle

• Dalton

• Rutherford

Predicted answers to questions based on available evidence is known as a(n) ___.

• observation

• data

• method

• hypothesis

Substances that cannot be broken down into any other substances is called a(n) ___.

• compound

• solution

• element

• molecule

Which of the following is made of two different atoms?

• Compound

• Element

• Pure substance

• Atom

Tags

NGSS.MS-PS1-1

What is represented in the picture?

• heterogeneous mixture composed of elements

• pure substance composed of compounds

• homogeneous mixture composed of compounds

• pure substance composed of elements

Tags

NGSS.MS-PS1-1

__ are atoms that have a positive or negative charge.

• Elements

• Isotopes

• Molecules

• Ions

Think back to the lemonade demonstration in class. I mixed lemonade powder and water. What is the lemonade powder in the demo?

• Solute

• Solution

• Solvent

• Solubility

Which of the following is the correct equation to calculate density of an object?

• Density = Mass+Volume

• Density =

  Volume/Mass

• Density = Mass/Volume

• None are correct

Which letter target has high precision but low accuracy?

• A

• B

• C

• D