Sheet # 46/How Many Earths?
Name: _____________________ Date_____________
Express all answers in scientific notations.
1) The distance from the center of the Earth to its surface is about 6450 Km. Write the distance in scientific notation.
2) What is the diameter of the Earth?
3) What is the circumference of the Earth?
4) The distance from the Earth to the Sun is 150 million Km. Write the distance in scientific notation
5) How many Earths lined up in a row are needed to reach the Sun?
6) The volume of the Earth is about 1.08 x 1021 m3 .
a) The volume of the Earth is about 49.5 times the volume of the moon. What is the volume of the moon?
b) The volume of the Sun is about 1.3 x 106 times the volume of the Earth. What is the volume of the Sun?