Unit 3: Earth, Wind, and Fire

Front

What does 'aerodynamic' mean?

Back

Of or having a shape that reduces the drag from air moving past.

Front

What does 'geothermal' refer to?

Back

Of, relating to, or using the natural heat produced inside the earth.

Front

What are 'pyrotechnics'?

Back

A bright display of fireworks.

Front

What does it mean to 'aerate'?

Back

To put air or a gas into something, such as soil or a liquid.

Front

What is a 'geode'?

Back

A rock containing a cavity lined with crystals or other mineral matter.

Front

What is the importance of aerodynamics in vehicle design?

Back

Aerodynamics helps reduce drag, improving fuel efficiency and speed.

Front

How does geothermal energy work?

Back

Geothermal energy harnesses heat from the earth's interior for heating and electricity.

Front

What are some common uses of pyrotechnics?

Back

Common uses include fireworks displays, special effects in movies, and safety flares.

Front

Why is aeration important for soil?

Back

Aeration allows air to reach plant roots, improving growth and health.

Front

How can you identify a geode?

Back

Geodes are often round or oval rocks that may have a rough exterior and a hollow cavity.