Physical Science Jeopardy

Chemical Equations

100

Is this equation balanced?

C + H₂ -> CH₄

No there is 1 C and 2 H's on the reactants side and 1 C and 4 H's on the products side!

200

Identify the reactants in the following chemical equation: H2 + NaCl -> H2Na + Cl + S

H2 + NaCl

300

Identify the products in the following chemical equation: H2 + NaCl -> H2Na + Cl + S

H2Na + Cl + S

400

Balance this equation: Al + S -> Al₂S₃

2Al + 3S -> Al₂S₃

500

What is the meaning of a subscript? Also, how many atoms does each element have in the following chemical equation: NaOH + H₂CO₃ ---> Na₂CO₃ + H2O  

Reactant - 1 Na, 4 O, 3 H, 1 C 

Product - 2 Na, 1 C, 4 O, 2 H  

Force and Motion

100

A force that pulls things towards the center of the earth.

Gravity

200

The tendency of a moving object to KEEP moving in a straight line or of any object to resist (stop) a change in motion

Inertia

300

The law that tells us: Objects in motion stay in motion unless acted on by an unstable force

Newton's Law

400

A push or pull that makes something move or be put into motion.

Force

500

The amount of Matter in an object

Mass

Vocabulary!

100

The Law of Conservation of Mass states that matter (mass) may not be __________ or _________ .

Created or Destroyed

200

Uses chemical formulas, chemical symbols, and coefficients to describe a reaction.

Chemical Equation

300

What is the small number to the RIGHT of a molecule called in a chemical equation?

Subscript

400

Found on the RIGHT side of your chemical equation, the substances that form during a chemical reaction.

Products

500

Found on the LEFT side of the equation, the starting materials or "ingredients" for your chemical equation.

Reactants

Balancing Chemical Equations

100

What are the two sides of a chemical equation called?

Reactants and Products

200

What is the LARGE number in front of the molecules called?

Coefficients

300

In a chemical equation, if you don't see a subscript, you can conclude that there are how many atoms of that element within each molecule. 

One

400

Describe a balanced chemical equation

There are the same amount of each type of molecule on both sides of the arrow (on the product side and reactants side).

500

We balance chemical equations to satisfy this law:  

Law of Conservation of Mass