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Chemistry
Physical Science
Balancing Act
Earth Science
Miscellaneous
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100

The energy any object has because of its motion.

What is kinetic energy?

100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100

A number of rigid, but moving, pieces of Earth's surface.

What are tectonic plates?

100

The mechanism (what casues) the plates to move.

What are convection cycles in the mantle?

200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this
What is a chemical reaction/change?
200

Stored energy or energy that an object has due to its position.

What is potential energy?

200
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
200

Created the Continental Drift Theory

Who is Alfred Wegener?

200

This type of energy is produced by the vibrations of matter. These vibrations can move through solid, liquid, or gaseous matter, but they cannot travel through empty space.

What is sound energy?

300

In the chemical reaction,  carbon dioxide + water -> sugar + oxygen, the compounds carbon dioxide and water are located on this side of the equation.

What is the reactants side?

300

Energy carried by electricitiy.

What is electrical energy?

300
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300

The theory that all continents are fragments of Pangaea now drifting apart.

What is Continental Drift Theory?

300

The two types of convergent boundaries

What is subduction and collision?

400

In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.

What is the product side?

400

Energy of the movement of atoms and molecules.

What is thermal energy?

400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400

States that youngest rocks of the ocean floor are at divergent boundaries, moving outward

What is seafloor spreading?

400

This is a type of energy that travels in waves and can travel through empty space.

What is light (radiant) energy?

500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500

Energy stored in the way atoms are connected to each other; in the bonds of compounds.

What is chemical energy?

500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500

Continental Drift Theory was not accepted because it did not explain this

How did the continents move?

500

The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.

What is divergent boundary? What is sea-floor spreading?