اختبار الكتروني Unit 1: Places we go

1
- Your weight on the Earth's surface is 600 Newton, so your weight on the moon surface is .............. Newton
2
- The object's mass is 2kg., so its weight on the Earth is equal to ..........
3
- The weight of person in a flying balloon is........ that on the Earth's surface.
4
- 5000 gram is equal to...........
5
- ........ nearly equals the mass of one paper clip.
6
- The Earth gravitational force.......... , as the distance between an object and the center of the Earth increase.
7
- The object's weight on the moon = Its weight on the Earth ÷ ..............
8
- The device of measuring weight is ............
9
- Spring scale is used to measure the mass of objects. ( )
10
- The weight of an object on the Earth’s surface equal 6 times of its weight on the moon surface. ( )