Grade 7 *Final Exam 2023 (M)

Bases have this type of taste.

• sour
• sweet
• bitter

Energy carried in the flow of electrons in a current.

• radiant
• sound
• electrical

What is the definition of nonrenewable?

• b. Resources that are replaceable within a lifetime.
• c. Resources that are not capable of being replenished within 100 years.
• d. Resources that will not run out if they are used.

Which form of energy is stored in food and batteries?

• a. chemical energy
• b. radiant energy
• c. nuclear energy

What type of energy is found between the protons of an atoms within the nucleus of an atom and is radioactive?

• chemical energy
• electrical energy
• nuclear energy

When an acid and base of equal strengths is mixed this forms.

• hydroxide and hydronium ions
• a neutral substances such as salt and water

A car slows down to turn. This motion can be best described as ________________.

• momentum
• acceleration
• velocity

Where in the atom are the neutrons found?

• a. electron cloud
• b. nucleus
• c. spinning around outside of the nucleus

The circled number represents the __________ of sodium.

• atomic mass

• atomic number

What are atoms made mostly of?

• a. protons
• c. neutrons
• d. empty space