HW: Ch. 20 Lesson 3 Quick Vocabulary

What occurs when the Moon moves into Earth's shadow?

• penumbra

• solar eclipse

• lunar eclipse

• tide

What is the lighter part of a shadow where light is partially blocked called?

• umbra

• penumbra

• tide

• solar eclipse

What happens when the Moon's shadow appears on Earth's surface?

• lunar eclipse

• tide

• umbra

• solar eclipse

What is the daily rise and fall of sea level known as?

• umbra

• solar eclipse

• penumbra

• tide

What is the term for the central, darker part of a shadow where light is totally blocked?

• penumbra

• tide

• solar eclipse

• umbra