6th Grade Semester Exam Review

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.

Front

What does it mean when a reaction is endothermic?

Back

It means that energy is absorbed from the surroundings, causing the temperature to decrease.

Front

What type of force is magnetism?

Back

A force exerted by magnets that can attract or repel certain materials.

Front

How do you calculate net force?

Back

Net force is calculated by subtracting opposing forces. For example, if 60 N is applied to the left and 25 N to the right, the net force is 35 N to the left.

Front

What is Newton's Third Law of Motion?

Back

It states that for every action, there is an equal and opposite reaction.

Front

What is thermal energy?

Back

The total energy of all the particles in an object, related to temperature.

Front

What is an example of a chemical change?

Back

Rust forming on iron is an example of a chemical change.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is the role of a catalyst in a chemical reaction?

Back

A catalyst speeds up a chemical reaction without being consumed in the process.