it is the control center of the cell that determines what the cell produces and how it grows.
What does the Nucleus do?
100
Melting
What is solid to a liquid
200
Grass
Which one of these are the producer (Deer,Grass,Vulture,grass)
200
Natural mixing of liquids and gases.
What is diffusion?
300
Photosynthesis is when the plant uses the suns energy to make oxygen and starch.
What is Photosynthesis
300
B
What is the element symbol for Boron
400
Water,Wind,Animal,Explosion
Name the four main types of seed dispersal?
400
Sodium 2, Oxygen 1, Hydrogen 1 = 4
What are the names of these elements in Na2OH and how many atoms does it have.
500
1. half-fill a beaker with water.
2.put a leaf in the boiling tube.
3.fill the tube with meths until it cover the leaf
4.put the boiling tube in the beaker and heat
5.once the leaf has lost its green color take out of boiling tube and dip in hot water