This document contains a quiz with multiple choice questions about science topics including the chemical symbol for water, primary energy sources for living organisms, the planet known as the 'Red Planet', the basic unit of life, the force that keeps planets in orbit, types of simple machines, the process of converting a solid directly to a gas, the layer of the atmosphere that protects from UV radiation, the chemical symbol for iron, and the process by which plants make food.

1. Questions for SCI
MATH Quizbee

2. Easy Round:
1.What is the chemical symbol for water?
1. A) Wo
2. B) H2O
3. C) CO2
4. D) NaCl
2.Which of the following is a primary source of energy for
living organisms?
1. A) Oxygen
2. B) Carbon dioxide
3. C) Sunlight
4. D) Water

3. 1.Which planet is known as the "Red Planet"?
1. A) Venus
2. B) Mars
3. C) Jupiter
4. D) Saturn
2.What is the basic unit of life?
1. A) Cell
2. B) Atom
3. C) Molecule
4. D) Organism

4. 1.What force keeps planets in orbit around the sun?
1. A) Friction
2. B) Gravity
3. C) Magnetism
4. D) Inertia
2.Which of the following is NOT a type of simple machine?
1. A) Lever
2. B) Pulley
3. C) Wheel and axle
4. D) Magnet

5. 1.What is the term for the process of converting a solid directly
into a gas without passing through the liquid state?
1. A) Sublimation
2. B) Evaporation
3. C) Condensation
4. D) Melting
2.Which layer of the Earth's atmosphere protects us from harmful
UV radiation?
1. A) Troposphere
2. B) Mesosphere
3. C) Stratosphere
4. D) Thermosphere

6. 1.What is the chemical symbol for iron?
1. A) Fe
2. B) Ir
3. C) In
4. D) I
2.What is the term for the process by which plants make their food?
1. A) Respiration
2. B) Photosynthesis
3. C) Fermentation
4. D) Combustion