Definition
Definition
Word
Word
Sentence
100

expedition

An expedition is a trip that has a purpose, such as exploration or research.

100

ignited

Something that ignited caught fire or exploded.

100

The people in charge, who have the power to make decisions or give orders.

authorities

100

Something that has value and should be treated with care.

precious

100

Use the word vast in a sentence.

We looked out upon a vast field of wheat.

200

outskirts

The outskirts of a city or town are its outer edges, farthest away from the center.

200

cosmic

Something that is cosmic is beyond Earth and its atmosphere.

200

Something that is so amazing, it’s hard to believe.

incredible

200

People, such as sailors, who navigate ships.

mariners

200

Use the word ascend in a sentence.

The hot air balloons ascend slowly into the sky.

300

physics

Physics is the scientific study of matter and energy.

300

principle

A scientific principle is a rule that explains how something in the natural world works.

300

To improve or to complete steps toward reaching a goal.

progress

300

Something that is made up of two or more different things.

hybrid

300

Use the word ransacked in a sentence. 

She ransacked her room looking for her bracelet.

400

chronology

A chronology records the time and order of a series of events.

400

The gas that comes out of an engine as a waste product.

exhaust

400

A metal object is heated in a special furnace and hammered into shape.

forged

400

Use the word ruthless in a sentence.

He dressed up as a ruthless pirate for the school play.

500

An organization that has a particular focus or goal.

institution

500
Use the word synthetic in a sentence. 

The nylon tent is made from a synthetic fabric.

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