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WorksheetsScience Explorer Quiz
Total questions: 15
Worksheet time: 8mins
What is the boiling point of water?
90°C
100°C
120°C
80°C
Which gas is most abundant in the Earth's atmosphere?
Oxygen
Hydrogen
Nitrogen
Carbon Dioxide
What is the chemical symbol for gold?
Au
Ag
Go
Gd
How many planets are in our solar system?
7
8
9
10
What force pulls objects toward the center of the Earth?
Magnetism
Gravity
Friction
Electricity
What is the process by which plants make their food?
Photosynthesis
Respiration
Fermentation
Digestion
Which of the following is a renewable resource?
Coal
Oil
Solar Energy
Natural Gas
What is the hardest natural substance on Earth?
Gold
Iron
Diamond
Quartz
What is the formula for water?
CO 2
H 2 O
NaCl
O 2
Which vitamin is produced when the human skin is exposed to sunlight?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
What is the largest planet in our solar system?
Earth
Mars
Jupiter
Saturn
What type of animal is a shark?
Mammal
Bird
Fish
Reptile
True or False: The adult human body has 206 bones.
True
False
True or False: Sound travels faster in water than in air.
True
False
True or False: Mercury is the hottest planet in the solar system.
True
False
