Physical Science Semester 2 Final Review

Front

How many neutrons are in an atom of oxygen?

Back

8

Front

How many protons are in an Al atom?

Back

13

Front

What is the atomic mass of a Si atom?

Back

28

Front

The diagram shows a circuit wired in series. What form of energy flows through wire in the form of moving electrons?

Back

electrical energy

Front

What form of energy is stored by a battery?

Back

potential energy

Front

Which statement best describes the relationship between matter and energy in the universe?

Back

Matter and energy can be converted from one to another, but their sums stay constant

Front

The process of freezing ______

Back

releases energy

Front

What happened to the energy in a 9-volt battery after powering a toy car?

Back

Some of the energy was converted to kinetic energy and some to heat

Front

When an organism eats food, energy becomes available for biological activities. In the process, some energy enters the environment as heat. According to the law of conservation of energy:

Back

no energy is lost

Front

Relationship between an electrical field and a magnetic field?

Back

The electrical field and the magnetic field are perpendicular to each other.