5th Grade Unit Review

Chemicals with high hydrogen ion concentration are called:

• Bases

• Acids

• Salts

• Neutral compounds

Chemicals with high hydroxide ion concentration are called:

• Acids

• Bases

• Salts

• Neutral compounds

The pH scale measures:

• temperature

• acidity and alkalinity

• pressure

• volume

The pH value of a neutral solution is:

• 0

• 7

• 14

• 10

Acids with low pH and very reactive are called:

• Strong acids

• Weak acids

• Neutral acids

• Basic acids

What are bases with high pH and very reactive called?

• Acids

• Neutral solutions

• Alkaline solutions

• Salts

Which of the following is an example of an acid?

• Baking soda

• Hydrochloric acid

• Ammonia solution

• Bleach

Which of the following is an example of a base?

• Battery acid

• Lemon juice

• Ammonia solution

• Hydrochloric acid

What is static electricity?

• Static electricity is a type of current flow.
• Static electricity is the movement of electrons through a conductor.
• Static electricity is the build up of electric charge on an object.

• Static electricity is the energy produced by batteries.

Materials that allow electricity to flow easily are called:

• Insulators

• Conductors

• Resistors

• Capacitors