Science mid point quiz

What are the three states of matter?

• solid

• air

• liquid

• gas

Solids have a

• straight shape

• rigid shape

• bumpy shape

• jagged shape

Particles have bonds which

• Particles have bonds that create energy.
• Particles have bonds that change their color.
• Particles have bonds that hold them together.
• Particles have bonds that allow them to float.

What happens when water is boiled?

• Water turns into a solid when heated.
• Water remains a liquid at all temperatures.
• Water freezes into ice when boiled.
• Water changes from liquid to gas (steam) when boiled.

What happens when water is frozen?

When ice melts it turns into

• water
• steam
• snow
• ice cream

Water boils at

(a)  

What would happen to our world if the freezing/melting point of water was 18 degrees C?

• The world would see a drastic increase in ice coverage, leading to extreme cold conditions.
• Water would freeze in most climates, causing widespread drought and water shortages.
• The world would experience significant ecological and climatic changes, with water remaining liquid in most environments.
• The global temperature would stabilize, resulting in fewer weather-related disasters.

What is the melting point of ice?

• -0degrees

• 1000 degrees

• -100 degrees

• 0 degrees

Everything in the world is made from (a)   states of matter