Documentation of your claims is an important part of a research project.

The dynamic performance by the acrobats excited the crowd.

My sister exerts herself when she is practicing for a tennis tournament.

The plummeting of the birds makes people duck and run for cover.

To pulverize the sidewalk, workers broke up the concrete with jackhammers.

The scalding water bubbled and steamed on top of the stove.

Shards of the broken plate scattered everywhere and had to be cleaned up carefully.

The core of the earth is believed to be made of solid metals.

This new species of mushroom actually grows underwater.