QUESTION 1
QUESTION 2
QUESTION 3
QUESTION 4
QUESTION 5
15
Name the process
CORROSION / RUSTING
15
What energy conversion occurs?
Solar energy -------> Electrical energy
15
Why does a sliced apple turn brown when left out on the counter?
It is due to oxidation
15
Name the process.
Fermentation
15
What two conditions are essential for this chemical reaction to occur?
Water and Oxygen
15
Which stage shows maximum feeding?
Larval stage
15
What does the acronym ‘PV’ stand for in relation to solar energy?
Photovoltaic
15
Is this browning a physical change or a chemical change
Chemical Change
15
Which microorganism is responsible for making the dough rise?
Yeast
15
Name three processes involved in rainbow formation.
•Reflection
•Refraction
•Dispersion
15
Identify the process
Condensation