KS3 Y7 Cells

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   cell sap      cell surface membrane      cell wall      cell`s activities      cells      cellulose      chlorophyll      chloroplasts      control centre      cytoplasm      green discs      jelly      keeps      nucleus      photosynthesis      plasm      rooms      storage space      supports      surface membrane      vacuole   
All living things are made up of . Robert Hooke who studied it using his microscope saw these cells in 1665 while studying cork. It looked like tiny . They are very small so we cannot see them with our own eyes so we will need a microscope.

An animal cell is made up of many smaller parts. There are however three main parts. The skin of the cell is called the . It acts like a bag. It the cell together and control what goes in and out of the cell.

This bag holds the which is a like substance. The cytoplasm is where a lot of the take place.

In the middle of the cell is the . This is the of the cell. It tells the cell what to do.

A plant cell also has the cell , the and the cyto.

But a plant cell has other different parts. It has the on the outside of the cell surface membrane. The cell wall is like a box with many large holes in it. It the cell and is very strong. It is made up of a substance called .

The plant cell also has the . This is just a which is filled up with a liquid called the .

There are also small . These are called and it is now known that food is produced here by the process of . It looks green because of a chemical called .

 

 

Google