>>>Quiz<<<
Quiz: Science
Question No. 1/6
A prime number is
Select the correct answer:| a) |  |
... a natural number greater one not divisible without a remainder by any natural number other than itself and one. |
| b) | |
... the diagonal in a square matrix that goes from the upper left corner to the lower right corner. |
| c) | |
... the count of all subsets of a set. |
| d) | |
... the smallest root of an equation. |
Question No. 2/6
(x-1)2 =
Select the correct answer:| a) | |
x2 + 1 |
| b) | |
x2 - 2x + 1 |
| c) | |
x2 + 2x + 1 |
| d) | |
x2 + 2x - 1 |
Question No. 3/6
How many planets are in our Solar system?
Select the correct answer:| a) | |
7 |
| b) | |
8 |
| c) | |
9 |
| d) | |
10 |
Question No. 4/6
How many legs does a spider have?
Select the correct answer:| a) | |
4 |
| b) | |
6 |
| c) | |
8 |
| d) | |
12 |
Question No. 5/6
Water consists of hydrogen and oxygen. What is the relation between those two elements in water?
Select the correct answer:| a) | |
One atom of hydrogen to one atom of oxygen |
| b) | |
Two atoms of hydrogen to one atom of oxygen |
| c) | |
One atom of hydrogen to two atoms of oxygen |
| d) | |
depends on the temperature |
Question No. 6/6
There is no air on the Moon. If we let two stones fall from the same height (2m), one of them 1kg and the other 1g heavy, which one will hit the ground first?
Select the correct answer:| a) | |
The small one, its inertia are 1000x smaller, so it can accelarte more quickly. |
| b) | |
The big one, its weight is 1000x bigger, so the the gratiation of the Moon attracts it with 1000x bigger force. |
| c) | |
Both will hit the ground at the same time |
| d) | |
Neither the small, nor the big one. |