2Y Science Revision

What is precipitation?

• Precipitation is any form of water, liquid or solid, that falls from the atmosphere and reaches the ground.
• Precipitation is the term used for the heat released during a thunderstorm.
• Precipitation refers to the movement of clouds in the sky.
• Precipitation is the process of water evaporating from the ground.

What is evaporation?

• Evaporation is the process by which a liquid turns into a gas.
• Evaporation is the process by which a liquid turns into a solid.
• Evaporation is the process by which a solid turns into a gas.
• Evaporation is the process by which a gas turns into a solid.

What is transpiration?

• Transpiration is the process of water movement through the plant but not involving evaporation.
• Transpiration is the process of water movement through the soil only.
• Transpiration is the process of water movement through the plant roots only.
• Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems, and flowers.

What is condensation?

• Condensation is the process by which a gas or vapor turns into a liquid.
• Condensation is the process by which a liquid turns into a solid.
• Condensation is the process by which a liquid turns into a gas.
• Condensation is the process by which a solid turns into a gas.

What is the atomic number?

• Number of molecules in the nucleus of an atom.
• Number of protons in the nucleus of an atom.
• Number of neutrons in the nucleus of an atom.
• Number of electrons in the nucleus of an atom.

What is the charge of a proton?

• Neutral
• Negative
• Positive
• Zero

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Zero

What is the mass of a proton?

• 1 amu

• 0 amu

• -1 amu

Mass of an electron?

• 1/1000

• 1

• 0

• -1

Tick all 3 microorganisms.

• Virus

• Bacteria

• Fungi

• Human