The _______________ exploded in the sky on the Fourth of July.

_______________ exercise will keep your heart and lungs healthy.

This root word means air or atmosphere and its origins are Greek.

The _______________ heat surfaced at the Earth's crust creating a natural hot spring that hikers could bathe in.

The fires were intentionally set by an arsonist with _______________.

It's hard to imagine from its plain exterior, but a _______________ contains such spectacular crystals inside.

This root words means fire or heat and its origin is Greek

Before planting their crops, farmers _______________ the soil so that water and nutrients can move freely to the roots of the plants.

_______________ is important to understand when studying history since land formations affected where earlier settlers decided to live.

Cars that are _______________ have less wind resistance and will get better gas mileage.

________________ rock can be found near volcanoes.

The plane too an _______________ picture of our school from the sky.