4th grade comprehension-Comets

What is the main idea of the first paragraph?

• The planets of our solar system orbit the sun.

• Comets in our solar system orbit the sun.

• The earth circles the sun once a year.

What is the main idea of the second paragraph?

• Solar winds cause a comet’s vapor cloud to trail out like a tail.

• The solid part of a comet can be 10 miles across.

• Comets are made of frozen gasses and bits of rock and dust.

What is the main idea of the third paragraph?

• A comet’s vapor tail can be hundreds of millions of miles long.

• When comets are visible from earth, the appear to be motionless.

• When comets are visible from earth, the appear to whiz across the sky.

What is the main idea of the fourth paragraph?

• The most famous comet is Halley’s Comet.

• The orbit of Halley’s Comet takes 76 years.

• The next time Halley’s Comet will be visible will be in 2061.

Which of the following is a fact.

• Comets orbit the sun.

• My favorite comet is Halley's Comet.

• Comets are the most interesting thing in space.

What are comets made of?

• Crystals and different types of minerals.

• Frozen gasses and bits of rock and dust.

• Solid rock that is on fire.

The most famous comet is______.

• Orbit Comet

• The million comet.

• Halley's Comet