What Are your Ideas About the Earth

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Presentation transcript:

What Are your Ideas About the Earth Essential Questions: What do you know about gravity and the way objects behave in a gravity field? Why does the Earth appear flat? What is the definition of ‘UP’ and ‘DOWN’? What does a straight line in space mean?

Question 1: Why is the Earth flat in picture #1 and round in picture # 2? A. They are different Earths B. The Earth is round like a ball but people live on the flat part in the middle C. The Earth is round like a ball, but it has flat spots on it D. The Earth is round like a ball but looks flat because we only see a small part of the ball E. The Earth is round like a plate or CD, so it seems round when you’re over it, but flat when you’re on it 1 2

Question 2: Pretend that the Earth is glass and you could look straight through it. Which way would you look, in a straight line to see people in far-off countries like India or China? A. Westward? B. Eastward? C. Upward? D. Downward?

Question 3: This drawing shows some enlarged people dropping rocks at various places around the earth. Show what happens to each rock when it’s dropped by drawing a line from the person’s hand to where the rock finally stops.

Question 4: Pretend that Superman dug a tunnel all the way through the earth from pole to pole. Imagine that a person holds a rock above the opening at the North Pole. Show what happens to the rock when it’s dropped by drawing a line from the person’s hand to where the rock finally stops.

Group participation grade sheet