CSA Review Sun and Stars

What is a star?

• A tool that makes stars look closer and brighter

• Energy that moves through space as waves

• A ball of hot, glowing gases

• The closest star to Earth

What is a telescope?

• A tool that makes stars look closer and brighter

• Energy that moves through space as waves

• A ball of hot, glowing gases

• The closest star to Earth

What is the sun?

• A tool that makes stars look closer and brighter

• Energy that moves through space and waves

• A ball of hot, glowing gases

• The closest star to Earth

What does radiant mean?

• A tool that makes stars look closer and brighter

• Energy that moves through space as waves

• A ball of hot, glowing gases

• The closest star to Earth

Circle all true statements about gravity.

• It is a force

• When something goes up, gravity brings it down

• Gravity can never be opposed

• The sun's gravity keeps the planets in orbit

• Gravity pulls objects towards each other

You can see fewer stars with a telescope than with just your eyes.

• True

• False

What makes a star appear to twinkle in the night sky?

• Burning gas

• Electricity

• A glowing ball

• Flashing fires

How does this tool help scientists observe stars?

• They can only see stars.

• It changes the size of the stars.

• It magnifies stars so more can be seen.

• It is not used for looking at objects in the sky.

Stars are light-years away from Earth. When observing them in the sky how do they appear?

• You can't observe stars from Earth

• All stars look the same size

• As huge balls of gas

• As tiny points of light

A baseball is thrown up in the air. What makes it fall down?

• The force of Earth's gravity

• The mass of the baseball

• A lack of force

• The speed of the baseball