G04 ELA Vocabulary U4A Lesson

Convert (verb). Definition: To change. Example: We can convert sunlight into energy. Alternative Forms: Conversion (noun), Converted (adjective). What does "convert" mean?

• To change
• To destroy
• To ignore
• To hide

Answer explanation

"Convert" means to change something from one form to another, like changing sunlight into energy.

What is an example of "conversion"?

• Changing energy
• Ignoring a problem
• Wasting resources
• Losing something

Answer explanation

An example of "conversion" is when sunlight is changed into electricity to power our homes.

Inconvertible (adjective). Definition: Unable to change into something else. Example: Some energy sources are inconvertible. Alternative Forms: None. What is the definition of "inconvertible"?

• Unable to change
• Able to change
• Easy to change
• Hard to change

Answer explanation

"Inconvertible" means something that cannot be changed, like some types of energy that cannot be converted easily.

Electricity (noun). Definition: A form of energy. Example: Electricity powers our lights. Alternative Forms: Electrical (adjective), Electrify (verb). What does "electricity" refer to?

• A form of energy
• A type of water
• A kind of food
• A color

Answer explanation

"Electricity" is a type of energy that powers our lights and gadgets.

Electrify (verb). Definition: To make something run on electricity. Example: They plan to electrify the trains. Alternative Forms: Electrical (adjective). What is an example of "electrify"?

• To power something
• To weaken
• To destroy
• To confuse

Answer explanation

To "electrify" means to give power to something using electricity, like making a train run on electrical power.

Renewable (adjective). Definition: Able to be replaced. Example: Wind energy is renewable. Alternative Forms: Nonrenewable (adjective), Renew (verb). What does "renewable" mean?

• Able to be replaced
• Never replaced
• Always used
• Rarely used

Answer explanation

"Renewable" means that something can be used over and over again, like wind or solar energy.

Nonrenewable (adjective). Definition: Not able to be replaced once used. Example: Nonrenewable resources will run out. Alternative Forms: Renewable (adjective). Which word means the opposite of "nonrenewable"?

• Renewable
• Unusable
• Wasted
• Scarce

Answer explanation

"Renewable" is the opposite of "nonrenewable." It means that the resource can be replaced after being used.

Generate (verb). Definition: To produce. Example: The windmill can generate power. Alternative Forms: Generation (noun), Generated (adjective). What does "generate" mean?

• To produce
• To destroy
• To lose
• To hide

Answer explanation

"Generate" means to make or produce something, like generating electricity from wind.

Degenerate (verb). Definition: To get worse. Example: The situation may degenerate if not handled. Alternative Forms: Degeneration (noun). What is the definition of "degenerate"?

• To get worse
• To improve
• To stay the same
• To grow

Answer explanation

"Degenerate" means to become worse over time, like a broken toy that doesn’t work anymore.

Availability (noun). Definition: The state of being able to use. Example: The availability of books is important for students. Alternative Forms: Available (adjective), Unavailable (adjective). What does "availability" refer to?

• Being able to use
• Being lost
• Being ignored
• Being hidden

Answer explanation

"Availability" means that something is there and ready to be used, like books in a library.