Page 159 - Innovator's Science-8

D. Match the following. Decision-making Skills
Column A Column B

1. Solar Eclipse a. More than half, but not full
2. Gibbous Moon b. The Moon appears thinner each night
3. Moon reflects sunlight c. Moon between Earth and Sun
4. First Quarter d. Reason we can see the Moon

5. Waning Moon e. Half of the Moon is visible (right)
Critical Thinking Skills
E. Short answer type questions.
1. What is the natural satellite of Earth?
2. What causes a solar eclipse?

3. Why do we always see the same side of the Moon?
4. What is a New Moon, and when does it occur?
5. Why do we launch artificial satellites in space?

F. Long answer type questions. Cognitive Skills
1. What is the difference between the waxing and waning phases of the Moon?

2. Compare and contrast a Full Moon and a New Moon.
3. Explain how the Moon's phases affect its visibility and position in the sky.
4. What are the main differences between solar and lunar eclipses?

5. Evaluate the effect of the Moon and moonlight on Indian art.

Project Ideas Exploration

1. Use chalk on paper to create a model of the Sun, and then use a cut-out circle to simulate the Moon
blocking the Sun during a solar eclipse.
2. Observe the Moon's changing shape over a few weeks and record its appearance and posi on
rela ve to the Sun at sunset or sunrise to learn about lunar month.

Life Skills Inference

• A group of students watched a solar eclipse with their teacher using proper eye protec on.
a. What causes a solar eclipse?
b. Which Moon phase is required for a solar eclipse to occur?
c. Why is it dangerous to look at a solar eclipse without protec on?

Enhance your Life Skills Mental Development
• Ismita kept a Moon observa on diary for a week. On Day 1, she saw a thin crescent on the right side.

By Day 4, half of the Moon was visible. By Day 7, almost the full Moon was visible.
a. Which phase did Anita observe on Day 1?
b. What is the name of the phase on Day 4?

c. Was the Moon waxing or waning during these days?

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