Unit 3 Lesson 2 Check

1. A class does an investigation experiment to find out the distance to Earth’s 12 closest stars. Which statement could be a claim for this investigation?

• I will need a telescope, pencil, paper, and a star chart for the investigation.
• The closest stars to Earth are not always the brightest Stars.
• I will use the Internet to research stars and their distances from Earth.
• I will write down all information in a report.

2. Lexi wants to make a star map. Which tools can she use to make her map?

• a pencil, paper, and a telescope
• a night-sky model and a light bulb
• a notebook, a marker pen, and a hand lens
• a cardboard box, a pin for making holes, and a large light bulb

3. The figure below is a night-sky model used in class. What evidence can be found about the stars by looking through the magnifying glass?

• The stars appear as the same size and shape.
• The stars appear as different sizes and shapes.
• The stars appear harder to see than with my eyes.
• The stars appear the same shape but not the same size.

4. Which is the best way to record locations of stars in a night sky?

• make a list arranged by size
• draw a star map of a specific area
• make a graph of star size
• make a graph showing star-brightness levels

5. Why do the stars disappear during the day?

• Stars turn off like a light switch.
• The sun is shining so brightly.
• The moon blocks them.
• Stars hide from Earth.

6. What are stars made out of?

• Water and Ice
• Dirt and Water
• Heat and Gases
• Gases and Dirt

7. How do binoculars, telescopes and observatory telescopes help us see the stars?

• Make stars look bigger.
• Make stars look smaller.
• Make stars colorful.
• Make stars prettier.

8. When looking at an area of stars, how many stars will you see though a telescope compared to just using your eyes?

• Fewer stars.
• A few more stars.
• The same number of stars.
• Many more stars.

9. How do telescopes make stars look?

• Brighter and Clearer
• Darker and Blurry
• Smaller and Blurry
• Colorful and pretty

10. What is a constellation?

• a star
• a planet
• a group of stars
• a galaxy