Geography
What is the name of the largest state in the USA?
50
Jana is twice as old as Peter. Peter is 8 years old. How old is Jana?
16
What is speed?
The distance travelled per unit of time.
What is the chemical symbol for iron?
Fe
What is the science that studies living organisms called?
Biology
What is the name of the largest state in the USA?
Alaska
You overtake the runner who is in second place. What position are you in now?
Second place
What is the SI unit of energy?
The joule
Why do we see lightning before we hear thunder?
Light travels much faster than sound.
Which part of a plant absorbs water and minerals from the soil?
The root
What is the name of the largest canyon on the Colorado River?
The Grand Canyon
I am thinking of a number. If I multiply it by 3 and add 6, I get 21. What number am I thinking of?
5
What is the SI unit of electric current?
The ampere
What is the change from a liquid to a gas called?
Evaporation - vypařování
Which gas do plants release during photosynthesis?
Oxygen
Which canal separates North America from South America?
The Panama Canal
Which number does not belong in the sequence?
2, 3, 5, 7, 9, 11, 13
9 – všechna ostatní čísla jsou prvočísla - prime numbers
What do we use to measure electrical voltage?
A voltmeter
What is the change from a gas to a liquid called?
Condensation
What is the largest bird in the world?
The ostrich
What is the name of the driest desert in the world?
The Atacama Desert
There are chickens and rabbits on a farm. Altogether, they have 10 heads and 28 legs. How many chickens and how many rabbits are there?
6 chickens and 4 rabbits
What is the energy of an object due to its position called?
Potential energy
Why doesn't a steel ship sink even though steel is heavier than water?
Because its hollow shape gives the ship a lower average density than water and allows it to displace enough water.
What is the process by which plants produce organic substances using light called?
Photosynthesis