Yeast is useful for making bread. TRUE or FALSE?
True
Tiny droplets of water appear outside a cold cup because...
The water vapour in the air comes in contact with the cold glass and turns to liquid state - CONDENSATION
What happens if water sits in the freezer for a long time?
It freezes.
It doesn't keep its shape or volume; it spreads to fill the space it's in.
gas
How to separate water and salt?
Evaporation
How to separate oil and water?
Deacanting
Reversible or irreversible? Burn paper
Irreversible
Water, juice and oil are examples of
liquids
How to separate sugar and corn?
Handpicking or sieving.
By eating sugar, yeast releases carbon dioxide. TRUE or FALSE?
True.
Ice, sugar and corn are examples of
solids
Yeast is a microorganism, a living thing. TRUE or FALSE?
True
It keeps its shape unless force is applied on it. it keeps its volume.
solid
Yeast is a tiny animal. TRUE or FALSE?
False. It's a tiny fungus.
Water vapour and carbon dioxide are examples of
gases
Yeast decompose sugar. TRUE or FALSE?
True.
How to separate water and sand?
Filtering
It takes the shape of the container and stays the same volume.
liquid
What happens if an ice cube is place outside the freezer for a long time?
It melts.
Reversible or irreversible? Melt chocolate
Reversible