At what temperature does water boil in degrees celcius?
100
What do we call animals that eat only plants?
What is the chemical symbol for water?
H2O
What force pulls objects toward the Earth?
Gravity
How many continents are there on Earth?
Seven
What planet is known as the 'red planet?
Mars
Which organ in the human body is responsible for filtering blood?
Kidney
What is the process of a solid turning into a liquid called?
melting
Which scientist developed the theory of general relativity?
Albert Einstein
Who painted the Mona Lisa?
Leonardo da Vinci
Who was the first person to walk on the Moon?
Neil Armstrong
Which gas do plants take in for photosynthesis?
Carbon Dioxide
What is the atomic number of hydrogen?
1
What type of energy does a moving object have?
Kinetic energy
What is the currency used in Japan?
Yen
Which scientist proposed the three laws of motion?
Isaac Newton
What molecule carries the genetic information of an organism?
DNA
What are the positive particles in atoms called?
protons
What is the formula for calculating speed?
Speed = Distance ÷ Time
What is the name of the world’s longest river?
The Nile River
What type of blood cells help fight infection?
White Blood Cells
Which famous scientist developed the theory of evolution by natural selection?
Charles Darwin
What is the chemical symbol of table salt?
NaCl
What is the SI unit of energy?
Joule (J)
What is the smallest country in the world by area?
Vatican City
Which gas makes up the largest percentage of our atmosphere?
Nitrogen (~78%)
What is the name of the process by which cells divide?
Mitosis
What is the pH of a neutral solution at room temperature?
7
What color of visible light has the shortest wavelength?
Violet
Which ancient civilization built Machu Picchu?
The Inca
What is the approximate speed of light?
300'000 km/s (3x108 m/s)
Which blood type is considered the universal donor?
O
What is the main difference between an isotope and a normal atom of the same element?
the number of neutrons
What is the unit of measurement for electrical resistance?
Ohm (Ω)
What year did the Berlin Wall come down?
1989