Year 10 extension task 1

• Science
• Upper Secondary (Key Stage 4)
• GCSE

Year 10 extension task 1

Name 4 sub-cellular structures found in an animal cell

Compare the functions of the cell wall and the cell membrane?

These cells are unusual. Would you classify them as animal or plant cells? Why?

Name the three particles that make up an atom.

Which part of the atom has a negative charge?

What do atoms turn into in ionic bonding?

Explain, in terms of atomic structure, why calcium is less reactive than sodium.

Write down the atoms of each element in methane

Write down the atoms of each element in copper sulfate

electron shared by H

electron shared by O

electrons not being shared by O

beta

alpha

gamma

	Graphite	Diamond
Number of covalent bonds
Strength
Conducts electricity
Melting point

four

three

strong

soft

Yes

No

Very high

Very high

Liver

High blood glucose

Glucagon

Pancreas

Insulin

Low blood glucose