Chemistry
Biology
Mixed
History
Geography
100
What element is found in row 5, column 15?

How many subatomic particles does the non-charged element have?

Antimony

51p, 51e, 71n

100

What tissues connect muscles to bones?

Tendons

100

Which planet in the Solar system has the most moons?

Saturn - 53 moons named and 29 moons waiting to be named.

100

How long did the battle of the Atlantic last during WWII?

Till VE day - Sept 1939 - May 1945

100

In which country can you find the Suez Canal?

Egypt - Took full control of it in 1962

200

What is the only letter that doesn't appear in the periodic table?

J

200

What are the 3 parts of cell theory?

1. All living things are made up of one or more cells and their products.
2. The cell is the simplest unit that can carry out all life processes.
3. All cells come from other cells, they do not come from non-living matter.

200

What's the hottest planet in the Solar system?

Venus with a surface temperature of 465 degrees celsius. 

200

How long did the 100 Years War last?

116 years - fought between England and France

200

What is the smallest country in the world?

Vatican City - measures just 0.2 square miles 

300

What are lanthanides?

They are elements with an atomic number from 57-71 (ex: neodymium(60) or erbium(68))

300

On what part of your body would you find the pinna?

The ear. - It's the visible portion of the outer ear 


300

How many hearts does an octopus have?

3 - One heart circulates blood around the body, while the other two pump it past the gills, to pick up oxygen. 

300

How many U.S. presidents have been assassinated?

4 - Abraham Lincoln, James A. Garfield, William McKinley, John F. Kennedy 

300

Where is Mount Everest located?

In Tibet and Nepal

400

Write the balanced neutralization reaction between nitric acid(HNO3) and Sodium Hydroxide. 

HNO3 + NaOH --> H2O + NaNO3

400

Animals that are active during dawn and dusk are called what type of animals?

Crepuscular

400

How many bones do sharks have in total?

0 - they are completely made of cartilage

400

What was the shortest war in human history?

The Anglo-Zanzibar War of 1896 (Between England and Zanzibar) - it lasted for around 40 minutes

400

What is the only sea without any coasts?

The Sargasso Sea - It's a region in the middle of the North Atlantic Ocean. Surrounded by ocean currents instead of landmasses. 

500

What happens when you pour a handful of salt into a cup of water. Explain. 

The volume of water will actually decrease (around 2%) because the water molecules bond to the free ions (attraction):
H2O + NaCl --> Na2O + HCl
The ions are "Filled" by water which will cause a shrinkage of the total volume 

500

What are polysaccharides?

Carbohydrates that are made up of more than two monosaccharides/sugar molecules, starch, glycogen, and cellulose.

There are 4 types: Glycogens, Cellulose, Starch and Insulin

500

What are the only two egg-laying mammals in existence in the world today?

Echidna and Platypus

500

The Peloponnesian War was fought between Athens and which other ancient Greek state?

Sparta

They were two most powerful city-states in ancient Greece at the time (431 to 405 B.C.E.). This war shifted power from Athens to Sparta, making Sparta the most powerful city-state in the region.

500

What is the largest country on the Arabian Peninsula?

Saudi Arabia - The Kingdom of Saudi Arabia occupies 80% of the Arabian Peninsula.