Clouds
Weather Instruments
Oceans
Waves
Under the Sea
100

Clouds that are big, fluffy, and billowy.

What are cumulus clouds?
100

A weather instrument that measures temperature.

What is a thermometer?

100

This is the largest ocean, and is west of North America.

What is the Pacific Ocean?

100

The highest point of a wave.

What is the crest?

100

Underwater mountains.

What are seamounts?

200

Clouds that are curly or wispy.

What are cirrus clouds?

200

The weather instrument that is used to measure air pressure.

What is a barometer?

200

The second largest ocean, located to the east of North America.

What is the Atlantic Ocean?

200

The lowest point of a wave.

What is the trough?

200

Deep valleys in the ocean floor.

What are trenches?

300

The kind of clouds that bring rain.

What are nimbus clouds?

300

The weather instrument used to measure humidity.

What is a hygrometer?

300

The third largest ocean, located east of Africa, south of Asia, and west of Australia.

What is the Indian Ocean?

300

The distance from one crest to another crest.

What is wavelength?

300

Shallow area of land sloping away from the continents.

What is the continental shelf?

400

Clouds that are stretched out and form an even covering.

What are stratus clouds?

400

The weather instrument that measures wind speed.

What is an anemometer?

400

The fourth largest ocean, located near the South Pole.

What is the Antarctic Ocean?

400

The top of a wave falling over.

What is a breaker?

400

Steep drop off from continental shelf to sea floor.

What is the continental slope?

500

The movement of this determines a cloud's shape.

What is air?

500

A box that contains a thermometer, barometer, hygrometer, and a radio, and is carried by a weather balloon.

What is a radiosonde?

500

The smallest ocean, which is almost completely surrounded by land.

What is the Arctic Ocean?

500

Backflow of waves through a narrow gap in the breakers.

What is a rip tide?

500

Flat area of the sea floor.

What is the abyssal plain?