Conservation of Matter (Group Quiz)

Who is your team?

(FULL NAMES)

What is matter?

What is the Law of Conservation of Mass?

What happens to matter during physical changes?

What happens to matter during chemical changes?

What is the chemical equation for photosynthesis?

• 6CO2 + 6H2O + light -> C6H12O6 + 6O2

• C6H12O6 + 6O2 -> 6CO2 + 6H2O + light

• 2H2 + O2 -> 2H2O

• H2O -> H2 + O2

What percentage of the universe's mass consists of dark matter?

• 50%

• 25%

• 75%

• 100%

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have? 

• 4g
• 5g
• 9g
• 14g

The Coefficient (3) in the Chemical Formula, 3H₂O, tells you how many _____________ there are.

• Atoms of Hydrogen

• Atoms of Oxygen

• Atoms of Water

• Molecules of Water

Which Chemical Equation is Balanced?

• CH₄+O₂------CO₂+2H₂O

• H₂+O₂-----2H₂O₄

• 4Al+3O₂-----2Al₂O₃