Physical Science Olympics

Which factor can affect gas pressure?

• Temperature 
• Volume
• The Amount of Gas
• All of the answers are correct

What is Charles's Law?

• At a constant volume, when the temperature of a gas increases, the pressure increases.
• At a constant volume, when the temperature of a gas increases, the pressure decreases.
• At a constant pressure, when the temperature of a gas increases, the volume increases.
• At a constant temperature, when the pressure of a gas increases, the volume decreases.

Gases are compressible.

• True
• False

Car brakes and car jacks are examples of

• hydraulic systems
• archimedes' principle
• atmospheric pressure
• buoyancy

Hydraulic systems use _________.

• liquid
• gas
• air

What is the smallest unit of matter called

• elements
• atoms
• compounds
• cells

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

How many electrons do atoms need to be stable?

• 1
• 2
• 6
• 8