year the Berlin Wall fell
1989
Largest desert in the world
Sahara desert
Liquid element at room temperature
Mercury
Red planet in our solar system
Mars
Photosynthesis but in animals
Cellular respiration
Ancient city buried by volcanic eruption in 79 AD
Pompeii
Country shaped like a boot
Italy
Person who developed the first theory of evolution by natural seleection
Charles Darwin
How many planets are in our solar system
8
Speed but scientifically
Velocity
Leader of the Soviet Union during the second world war
Joseph Stalin
Capital of Australia
Canberra
The structure connecting muscle to bone
Tendon
This phenomenon occurs when a star collapses and light cannot escape
Black hole
Weight but in physics
Mass
Document that ended the first world war
Treaty of Versailles
River that flows through Egypt
The Nile
What is the name of the scientist who first proposed the heliocentric model of the solar system?
Nicolaus Copernicus
Spacecraft that carried humans to the moon in 1969
Apollo 11
Cold-blooded animals
Ectotherms
Policy preventing the spread of communism
Containment
Mountain range separating Europe from Asia
Ural mountains
What is the force that causes objects to move in a circular path?
Centripetal force
The two planets of the solar system with no moons
Mercury and Venus
Fear of confined spaces
Claustrophobia