Math
What's the area of a square with side length of √ 3 cm?
3cm²
What's the SI (International System of Units) for length?
meters (m)
Which particles are present in an atom?
Protons, Neutrons and Electrons.
Rússia
(5 + x)2 = ?
25 + 10x + x²
If gravity was the only force acting on two objects with different masses, they would fall at the same rate. True or False?
True
What is the name of the bond which includes metals and non-metals?
Ionic bond
Lugar com grandes polos tecnológicos e grandes empresas.
What are the names given to the sides of a right triangle?
Legs (Cateto) and Hypotenuse (Hipotenusa)
How is electricity defined?
The movement of charged particles.
What's the formula for the most present gas in the atmosphere?
N2
Em que partes do Brasil localiza-se a mata atlântica?
Sudeste e Sul do Brasil
What is pi?
The ratio between the circumference and the radius of any circle.
What does Pascal's principle state?
In a fluid, the pressure is always uniform throughout the fluid.
According to the pH scale, what is the value of a neutral substance?
7
Em que continente fica a Moldova?
Europa
What is the Pythagorean Theorem? (Say the formula)
a² = b² + c²
What entropy tends to do in every isolated system?
Increase
What are electrolytes?
Ions present in metallic solutions that can conduct electricity.
O que são os Tigres Asiáticos?
Países com alto desenvolvimento depois da Segunda Guerra Mundial (Coreia do Sul, China, etc)