School subjects

Maths

100

If 2x + 3 = 9, what is x?

3

200

The content of the circle...

S=π*r²

300

Definition of circle:

A circle is the set of all points in a plane that have a positive distance from the center.

400

Definition of ellipse:

an ellipse is the set of all points in a plane whose sum of distances from given points E, F is 2a.

2a>2e

500

The content of trapezoid?

S=(a+c)*v/2

Physics

100

What is the formula for accelerated motion? a=

a=v/t

200

Definition of buoyancy force...

F=V*ρ*g

300

The speed of the light is...

299 792 458 m/s

400

Who researched accelerated motion from the Leaning Tower in Pisa?

Galileo Galilei

500

What is the magnitude of the atomic mass constant?

m_u=1,66*10^-27

Chemistry

100

What is the name of HCOOH?

methanoic acid (formic acid)

200

What is the relative atomical mass of carbon?

12

300

What is the relative mass of uran?

235/238

400

Does alcohol behave like a base or an acid?

Alcohol behaves in the presence of a strong acid as a base and in the presence of a strong base as an acid

500

What is the relative atomical mass of lithium?

6.9

Biology

100

What is the biggest gland in the human body?

Liver

Czech and Literature

100

Othello was written by...

William Shakespeare