Modeling Matter

All matter is made of

• energy

• atoms

• electrons

• compounds

Stirring the solution increases or decreases the solubility?

• increases
• decreases

A group of molecules joined together is called an atom.

• Agree

• Disagree

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

Milk is a mixture.

• Agree

• Disagree

Blood is a mixture.

• Agree

• Disagree

Which solids when mixed with water dissolved?

• cumin and pepper

• sugar and pepper

• citric acid and cumin

• sugar and citric acid

Hailey stirred some sugar into a pitcher of lemonade.

   
What happened to the sugar? 

• The sugar floated to the top surface
• The sugar disappeared after it was stirred.
• The sugar dissolved in the lemonade
• The sugar all settled to the bottom of the pitcher

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

In gas chromatography, molecules separate by their

• size

• shape

• weight

• color