Unit 3 Lesson 1 Check

1. Why does the sun appear larger and brighter than other stars?

• It is much hotter.
• It is a yellow star.
• It is closer to Earth.
• It gives off more energy.

2. One way the sun gives off energy is in the form of light. How does this light affect living things on Earth?

• It warms mountain peaks.
• It prevents heat from leaving Earth.
• It allows plants to make their own food.
• It allows animals to make their own food.

3. Jordan knows that the sun is a star. Which of these statements about the sun is true?

• It is a white star.
• It is the star closest to Earth.
• It is larger than all other stars.
• It is brighter than all other stars.

4. Star A and Star B give off the same amount of light. Paris observes that Star A looks brighter than Star B. Which best explains why Paris sees Star as brighter?

• Star A is larger than Star B.
• Star A is cooler than Star B.
• Star A is closer to Earth than Star B.
• Star A is farther from Earth than Star B.

5. How does the telescope affect how Arianna sees stars?

• It makes stars seem larger.
• It reduces their size.
• It makes stars look dark.
• It makes stars look far away.

6. What two types of energy does the sun give off?

• Kinetic and Potential
• Sound and Electrical
• Heat and Light
• Mechanical and Sound

7. What is one thing that the sun and stars have in common?

• They are both really small in size.
• They both disappear during the daytime.
• They are both far away from the Earth.
• They are both cold in temperature.

8. Stars have different colors. What does it mean when a star is blue?

• It’s the hottest.
• It’s the coldest.
• It’s the prettiest.
• It’s the brightest.

9. What does the sun provide for the Earth in order for humans, plants, and animals to survive?

• It gives us food.
• It gives us water.
• It gives us shelter.
• It gives us energy.

10. Logan was grouping stars. Stars are grouped by their color, brightness, and ______________.

• size
• sound
• energy
• gases