Craters and Impacts

Front

What are the leftover rock fragments called when the planets formed in our solar system?

Back

Asteroids

Front

What force keeps planets, comets, asteroids, and meteoroids in orbit around the Sun?

Back

Gravity

Front

A ball of ice and rock whose orbit is usually a long, narrow ellipse is called a?

Back

Comet

Front

As the drop height, or speed, increases, crater size ______

Back

Increases

Front

What element is found in high amounts in the KT boundary clay, suggesting an asteroid impact?

Back

Iridium

Front

What is the term for a small rocky body orbiting the Sun, often found in the asteroid belt?

Back

Asteroid

Front

What is the process called when a meteoroid enters the Earth's atmosphere and produces a bright streak of light?

Back

Meteor

Front

What is the term for the impact site created when a meteoroid collides with a planet or moon?

Back

Crater

Front

What is the name of the theory that suggests a large asteroid impact led to the extinction of the dinosaurs?

Back

Impact Hypothesis

Front

What type of celestial body is primarily composed of ice and dust and can develop a tail when near the Sun?

Back

Comet