What is the chemical symbol for water?

Exploring the Wonders of Science

Quiz
•
Others
•
7th Grade
•
Hard
Sharmila Illiyas
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2O
H2O3
H2O2
O2H
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What planet is known as the Red Planet?
Venus
Mars
Jupiter
Saturn
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process by which plants make their food?
Respiration
Photosynthesis
Transpiration
Digestion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an organism with one cell called,
Ribosome
Chloroplast
Unicellular organisms
Nucleus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What gas do living beings need to breathe?
Carbon Dioxide
Nitrogen
Hydrogen
Oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main force that keeps planets in orbit around the sun?
Gravity
Electromagnetism
Friction
Magnetism
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest unit of life?
Atom
Organism
Molecule
Cell
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