Chemical Reactions | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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What type of change occurs when paper burns?

Chemical

What type of change occurs when ice melts?

Physical

balance this equation: Ca + H₂O → Ca(OH)₂ + H₂

Ca + 2 H₂O → Ca(OH)₂ + H₂

What element reacts with hydrogen to make water?

Oxygen

What law states that mass is neither created nor destroyed in a reaction?

Conservation (of Mass)

What form of energy is often released in chemical reactions?

Heat

What name is given to substances at the end of a reaction?

products

Balance this equation: Na + Cl₂ → NaCl

2 Na + Cl₂ → 2 NaCl

Balance this equation: Mg + O₂ → MgO

2 Mg + 1 O₂ → 2 MgO

What type of change is usually easy to reverse?

Physical

What does the word conservation mean?

Staying the same

What small particle theory is used to explain conservation of mass?

Particle

What symbol is used in equations to mean “yields” or “produces”?

→ (Arrow)

What process produces rust?

Oxidation

What word means "the new substances formed in a chemical change"?

products

What type of equation shows equal numbers of each atom on both sides?

Balanced

What type of change is usually hard to reverse?

Chemical

What name is given to substances at the start of a reaction?

reactant

Who discovered the law of conservation of mass?

Lavoisier