![]() ![]() Also, that the sun is always shining, just not on the same place on the earth. Also discuss: Which side of the globe is having day and which is having night? Why does the sun shine on different parts of the earth at different times? What would happen if the earth didn't turn?The main focus for class discussion should be the earth's complete rotation from west to east every 24 hours to cause day and night. Were they able to recreate the demonstration? As a class, discuss their findings and decide which of their questions have been answered. ![]() After writing the questions and posting them, hand out student materials and allow the groups time to create and manipulate the display. Cole has worked as an elementary school teacher, a librarian, and a children's book editor. ![]() She attended the University of Massachusetts, Indiana University, and City College of New York where she earned a degree in Psychology. In small groups, have students discuss what they noticed and come up with 2 or 3 questions they have about what they saw. Joanna Cole was born in Newark, New Jersey on August 11, 1944. While they are doing so, slowly rotate the ball counterclockwise to imitate the earth's rotation. Then have them observe the display and write down what they notice in their science notebooks. Ask the students what the flashlight represents. ![]() Darken the room and shine a flashlight on the ball to represent the sun. Have the students discuss how the ball is like the earth. Use a Styrofoam ball as a model of the earth, push a knitting needle or thin wooden dowel through it to create an axis, and place a pin where Minnesota would be. ![]()
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