powerpoint jeopardy

Powerpoint JeopardyRocks2 Planets2 Weather Weathering Atmosphere

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Which stage of the rock cycle occur closest to the center of the earth?

Metamorphic Rock

How are granite and obsidian similar?

They are similar in composition

An igneous rock characterized by two distinctly different textures is…

Porphyry

Which layer of the Earth likely contains the highest percentage of igneous rock?

The crust

In the rock cycle, rocks are classified by…

Origin

Meteor showers occur when Earth…

Passes through comet debris

A rock fragment traveling in space is called…

Meteoroid

Two planets that are know to radiate more energy back into space than they receive from the sun are….

Jupiter and Saturn

Neptune was discovered after astronomers….

Predicted it position mathematically

One reason why Mercury has more impact craters than Earth is because….

Mercury has no atmosphere

What is a front?

A boundary between two air masses

How long does it take for a fully developed mid-latitude low to form?

About 4 days

In the Northern Hemisphere winds blow…

Counterclockwise around low-pressure areas

Why do thunderstorms often occur in the afternoons?

Surface warming throughout the day causes unstable conditions in the troposphere

Why do hurricanes weaken over land?

They no longer have a source of humid air to provide heat from condensation

Basalt is a common rock of surface lava flows. Which weathering process would not be expected to occur in basalt?

Exfoliation

What is not an agent of erosion?

talus

Best way to describe mudflow…

Water carrying clay and silt move rapidly downhill

What natural process probably cause the fencepost to lean downhill?

Creep

What is an example of mechanical weathering?

The cracking of concrete sidewalk.

Scientists hypothesized that Earth’s early atmosphere was formed primarily by gases released by….

Comet impacts.

What process warms your feet if you stand barefoot on a sun-warmed sidewalk?

conduction

On a sunny summer day, the rays of the sun are strongest at….

12 noon

In which of earth’s atmosphere does almost all of Earth’s weather occur?

Troposhpere

The composition of Earth’s atmosphere has remained fairly stable recently because Earth…

Has an efficient recycling system.