How many US states are there?
50
How many centimetres in 1 meter?
100
How many legs does a spider have?
8
What is the main source of energy for the Earth?
Sun
What is the smallest unit of life?
Cell
Which one of these is a mammal: a seahorse, a sea lion, or a sea urchin?
Sea Lion
Which two countries border the United States?
Canada and Mexico
What is 10 minus 3?
7
What type of animal is a frog?
Amphibian
What is the outer layer of the Earth called?
Crust
What is the process of turning solid ice into liquid water?
Melting
What is the center of an atom called?
Nucleus
What is the capital of France?
Paris
What is the value of Pi (π) up to two decimal places?
3.14
What is the name of a baby horse?
Foal
What planet is known for its rings?
Saturn
What is the main ingredient in steel?
Iron
Julius Caesar was the emperor of what empire
Roman Empire
What is the longest river in the world?
Nile River
What is 25% of 100?
25
What do you call a scientist who studies rocks?
Geologist
How many planets are in our solar system?
8
What is the main ingredient in steel?
Albert Einstein
Animals without backbones are known as ____.
Invertebrates
In which state is the Grand Canyon located?
Arizona
What is 9 times 3?
27
What color is chlorophyll?
Green
What is the most common gas in the Earth's atmosphere?
Nitrogen
What is the hardest natural substance on Earth?
Diamond
What type of animal is a dolphin
A mammal