Matter is made up of

• cells
• carbon
• metal
• atoms

What makes one element different from another?

• some are made up of atoms and others not
• only the name is different
• some atoms move and others don't
• atoms look different in each element because of # of protons

About how many elements are on the periodic table?

• over 200
• over 100
• over 50
• over 400

What is an element?

• something shiny and hard
• something made up of different molecules
• something made up of one kind of atom
• something made up of different atoms

Which state of matter has a definite volume but not its own shape?

• solid
• liquid
• gas
• plasma

Temperature when a solid becomes a liquid

• boiling point
• melting point
• freezing point
• sublimation point

When a substance can dissolve into another substance, it has

• solubility
• conductivity
• chemical reactivity
• melting point

Which state of matter has its own shape, and can measure volume and mass?

• solid
• liquid
• plasma
• gas

The melting point for 10 pounds of chocolate is __ the melting point of 5 pounds of chocolate.

• double
• triple
• equal to
• less than

When something freezes, what is being removed?

• particles
• gases
• heat
• cold air