Science SC.3.E.5.1, Stars

What two properties of stars affect how bright they appear?

• Texture and temperature

• Shape and color

• Distance from Earth and size

• Gravity and magnetism

Which of the following can explain why stars seem like small points of light?

• Stars are only visible at night

• Stars are very tiny

• Stars are very hot

• Stars are very far away from Earth

Are all stars the same size?

• Yes, stars are only different colors and temperatures

• No, stars are different sizes, colors, and temperatures

• Yes, they have the same color and temperature also

• No, stars only have the same colors and temperatures

What type of energy do we get from the Sun?

• electrical energy

• light energy

• chemical energy

• mechanical energy

What affects how bright a star appears to us on Earth?

• size, temperature, and distance from Earth
• gravity, temperature, and size
• movement, temperature, size
• color, temperature, and gravity

What are three characteristics scientists can use to classify stars?

• Brightness, size, and temperature

• Distance from Earth, size, and color

• Size, texture, and color

• Stars are not different from each other

What is the Sun?

• a star

• a galaxy

• a solar system

• a planet

Why do stars look like points of light at night?

• They are very cool stars.

• They are not very bright.
• They are very small.
• They are so far away.

Layla looked up at the sky at night. She saw thousands of tiny points of light in the sky. What are most of these points of lights from?

• Satellites

• Planets

• Planes.

• Stars

What is in a galaxy?

• many stars, many planets, gas and dust
• few stars, planets, gas and dust
• comets and asteroids
• planets and moons