Science: Vocabulary Quiz: February 19

What is the definition of vibrations?

• repeated back-and-forth or up-and-down motions

• a single continuous motion

• a random movement in any direction

• a circular motion

What is electric energy?

• energy that comes from an electric current

• energy that comes from the sun

• energy that comes from wind

• energy that comes from water

Define electricity.

• a form of energy caused by the movement of electrons

• a type of chemical reaction

• a form of energy stored in batteries

• a type of magnetic field

What is an electrical circuit?

• a complete path through which electric current can flow

• a device that stores electrical energy

• a material that resists the flow of electric current

• a source of electrical energy

What does measurement refer to?

• the size, length, or amount of something

• a type of musical instrument

• a form of artistic expression

• a method of cooking

What does it mean to interpret something?

• to explain the meaning of something

• to ignore something

• to create something new

• to destroy something

What does it mean to observe?

• to see; to notice

• to ignore

• to forget

• to misunderstand

What is pitch?

• a tone's experienced highness or lowness; depends on frequency

• a measure of the loudness of a sound

• the speed at which sound travels

• the duration of a sound

Define sound energy.

• energy carried by sound waves

• energy stored in chemical bonds

• energy from the sun

• energy from nuclear reactions

Be able to draw and label a simple electric circuit.

• A simple electric circuit consists of a power source, conductors, and a load.

• A simple electric circuit consists of a power source, conductors, a load, and a switch.

• A simple electric circuit consists of a power source and a load only.

• A simple electric circuit consists of conductors and a load only.