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WorksheetsTopic 2.1: Cells and Life
Total questions: 12
Worksheet time: 6mins
What are the lego bricks of life called?
Cells
Cats
Dogs
Whats a really powerful thing we can use to look at things really close?
Microscope
Magnifying glass
Telescope
What does the cell theory talk about?
that cells come from other cells
that cells come only from animal
that cells cannot be created or destroyed
Which is true about cell theory?
All living things are made of cells.
Cells are made of macromolecules
All objects on Earth are made of cells.
Cells are composed of carbohydrates and lipids.
What are all cells made from?
Water
Milk
Coke
Fanta
When a molecule has a negative (-) end and positive (+) end what is it known as?
Polar
Cold
Negative
Positive
What can salt dissolve in water?
Because water and salt are both polar
Because of magic
Because water loves salt
Why cant oil mix with water?
Because oil is non polar.
Because water hates oil
Which substances are macromolecules?
Sugars
Proteins
Nucleotides
Which substance is most mommon in cells?
fat
water
amino acids
Which of these is a lipid?
RNA
sugar
cholesterol
Why are lipids good as a barrier in cells?
They contain cats and dogs
They do not dissolve in water
They are not macromolecules
