chemistry year 8 test

what is a solid

• A liquid with no definite shape
• A state of matter characterized by particles that are closely packed together and have a definite shape and volume.
• A type of gas
• A form of energy

what is a liquid

• A substance that is solid at room temperature
• A substance that has a definite shape
• A substance that is a gas at room temperature
• A substance that flows freely but is of constant volume, having a consistency like that of water or oil.

what is a gas

• A gas is a type of liquid
• A gas is a type of solid
• A gas is a state of matter
• A gas is a type of animal

can a solid be compressed

• true

• flase

can a liquid be compressed

• true

• false

can a gas be compressed

• true

• false

what is a kinetic energy

• The energy an object possesses due to its motion
• The energy generated by an object's weight
• The energy released from an object when it is at rest
• The energy stored in an object due to its position

what is potential energy

• Energy that an object has due to its position or state
• Energy that an object has due to its size
• Energy that an object has due to its temperature
• is a energy matter has been stored by the bonds and force between particle

What is the boiling point of water?

• 0 degrees Celsius

• 100 degrees Celsius

• 212 degrees Fahrenheit

• Both B and C are correct

What causes evaporation?

• Decrease in temperature

• Increase in pressure

• Increase in temperature

• Decrease in volume