Give two examples of a solid.
Any solid item.
What are the three states of matter?
solid, liquid, gas.
GUESS! What is water's boiling point? (in Celsius)
100 degrees Celsius
True or False: Water that comes out of a faucet CANNOT become ice.
False. Water that comes from a faucet can freeze and become ice.
GUESS! What is water's freezing point? (In Celsius)
0 degrees Celsius
Which state of matter is this?
A gas.Particles are spaced far apart. This means gas can have any shape. It can also be squashed easily.
What do we call water when it is a solid?
Ice.
Give an example of a gas.
Any gas.
Which state of matter is this?
A liquid. Particles are close together but can slide past each other and change places. This means liquids can change shape easily.
What do we call water when it is a gas?
Water vapour.
Which state of matter is this?
A solid. Particles are tightly packed in fixed positions. This makes it difficult for a solid to change shape.
Identify the solid, liquid, and gas in the picture.
Solid: table, glass, ice. Liquid: cola. Gas: bubbles in cola.
Give two examples of a liquid.
Any liquids.
True or False: Cold air will cause a popsicle to melt.
False. Heat in a room will cause a popsicle to melt.