Tides
100

 When do high and low tides occur

At the Tides highest or Lowest point.

200

When do Neap Tides Occur 

Between the first and third quarter of the Moon

300

How many high or Low Tides per day do Diurnal Tides Have

1 High and Low Tide per day

400

How many High and low tides per day are in a mixed tide

2 that differ in size

500

what happens during a Semi- Diurnal Tide

2 high and low tides of equal size every lunar day