PowerPoint 2 Scientific Principles

What are the different states of water?

(more than one answer)

• Steam

• Wet

• Ice

• Damp

• Liquid

From 4-99 degrees water will expand by how much?

• 1%

• 4%

• 50%

• 150%

When water turns to ice it will expand by how much?

• 1%

• 5%

• 10%

• 100%

When water turns to steam it will expand by how much?

• 1600 times it size

• 600 times its size

• 100 times its size

At what temperature does water turn to ice?

• 0 °C

• -100 °C

• -10 °C

• 100 °C

Which is another name for water?

• WTR2

• W2O

• O2H

• H2O

Is water regarded as a solvent?

• No

• Yes

Which classifications of water are acidic?

(more than one answer)

• Soft water

• Temporary hard water

• Permanent hard water

• Very soft water

Which classifications of water are alkaline?

(more than one answer)

• Permanent hard water

• Very soft water

• Temporary hard water

• Sort water

When temporary water is heated to 65°C or above it forms what?

• Soft water

• Limescale

• Blue water

• Fresh water