G04 - Vocabulary - U4A - Introduction

To change something from one thing into another Plants ...... sunlight into food through photosynthesis. You can ....... water into ice by freezing it. Some cars can ........ gasoline into power to move. This word came from Latin about 600 years ago. It meant "to turn around" or "transform".

• convert
• verb
• maintain
• noun

A form of energy that can produce light, heat, and power Lightning is a natural form of ...... We use ....... to power our lights and computers. Be careful around ........ because it can be dangerous. This word came from Greek about 400 years ago. It meant "amber-like" because rubbed amber attracts objects.

• electricity
• noun
• insulation
• adverb

To make something from other materials Windmills ...... electricity from the wind. Exercise can ....... heat in your body. The sun ........ light and heat for Earth. This word came from Latin about 500 years ago. It meant "to bring into being".

• generate
• verb
• consume
• preposition

The ability or strength to do something The ...... went out during the storm, so we lit candles. Eating healthy food gives you ....... to play and learn. Solar panels use the sun's ........ to make electricity. This word came from Latin through French about 700 years ago. It meant "ability" or "strength".

• power
• noun
• weakness
• adverb

Something that can be replenished or reused Wind and sun are ...... sources of energy. Planting new trees helps keep forests ....... . Using ........ materials helps protect the environment. This word came from Latin about 400 years ago. It meant "to make new again".

• renewable
• adjective
• nonrenewable
• verb

Not a lot of something Water can be ...... in the desert. When food is ......., animals may have to travel far to find it. Tickets to the popular show were ........ and sold out quickly. This word came from Old French about 700 years ago. It meant "restricted in quantity" or "rare".

• scarce
• adjective
• abundant
• noun

Something that is ready to take The library has many books ...... for students to borrow. Fresh fruits are ....... at the farmer's market every weekend. There were only two seats ........ on the bus when we got on. This word came from French about 600 years ago. It meant "useful" or "profitable".

• available
• adjective
• unavailable
• verb

To save or protect something The zoo teaches visitors about animal ...... to protect endangered species. Water ....... is important in areas where rain is scarce. The museum has experts working on art ........ to preserve old paintings. This word came from Latin about 600 years ago. It meant "to keep" or "to preserve".

• conservation
• noun
• exploitation
• adverb

An event that is happening now The ...... weather forecast shows it will rain tomorrow. Students discussed ....... events in their social studies class. My dad likes to stay up-to-date with ........ technology. This word came from Latin through French about 700 years ago. It meant "running" or "flowing".

• current
• adjective
• outdated
• preposition

To move freely Water will ...... downhill because of gravity. The teacher asked students to let their ideas ....... freely during brainstorming. Blood needs to ........ through our bodies to keep us healthy. This word comes from Old English. Over 1000 years ago, it meant "to float" or "to stream".

• flow
• verb
• stagnate
• noun