ch.6 flashcards

Front

What is gravitation?

Back

A force of mutual attraction between bodies

Front

What are the main parts of a comet?

Back

Core of ice and rock, tail of gas, tail of dust

Front

Where do auroras occur?

Back

Polar regions

Front

In which atmospheric layer does the aurora borealis occur?

Back

Thermosphere

Front

What traces are left by meteoroid impacts in Québec?

Back

Craters, astroblemes

Front

Name the planets in order from close to sun to far away

Back

mercury, venus, mars, earth, jupiter, saturn, uranus, neptune