End of Semester 1 Exam Review

Front

What is a factor that affects how quickly something dissolves?

Back

Temperature is a key factor that affects the rate of dissolution.

Front

What best describes an element?

Back

An element is pure and made of only one type of atom.

Front

Which substances dissolve in water?

Back

Sugar and salt are examples of substances that dissolve in water.

Front

How does thermal energy move?

Back

Thermal energy moves from hotter to colder objects.

Front

What has the largest effect on the motion of planets in the solar system?

Back

The gravitational pull of the Sun has the largest effect on the motion of planets.

Front

What is dissolution?

Back

Dissolution is the process of a substance dissolving in a solvent.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, forming a solution.

Front

What is the definition of thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies toward each other.