Science
Space Systems & Earth's History
Conceptual
10–11 yrs
Star Brightness & Distance
星星的亮度与距离
Description
Support an argument that the apparent brightness of the sun and stars is due to their relative distances from Earth, understanding the sun is a relatively close star
Mastery Evidence
- Explain that the sun is a star, and it appears much brighter because it is much closer to Earth
- Describe how a torch looks brighter close up and dimmer far away as an analogy
- Argue that differences in apparent brightness of stars are mainly due to their different distances from Earth
Assessment Prompt
Can your child explain why the sun looks so much brighter than other stars, even though many stars are actually bigger — it's because the sun is much closer to us?
