Snorkelling, weather and tides

What do you wear on your feet when snorkelling?

• Fins
• Toe nail polish
• Shoes
• Dive weights

What is an important piece ofsnorkelling equipment?

• Slippers

• Fins

• Stilettos

• Boots

A snorkeler would use a wet suit to ,,,

• Keep warm

• Keep cold

• camouflage

What are the features of a mask?

• Tempered glass, strap, snorkel
• Lens, strap, nose pocket, skirt
• Skirt, nose pocket, lens, dress
• dress, pants, skirt 

What are the features of a snorkel

• Purge valve, flexible barrel, mouthpiece
• Purge valve, flexible barrel, J shape
• rotating mouthpiece, splashguard, semi dry
• splashguard

Differences in the moon's and sun's pull on different sides of the Earth cause _________.

• gravity
• lunar phases
• tides
• dabbing

A[n] ___________ tide occurs when the sun, Earth, and the moon are nearly in a line. 

• spring
• high
• low
• neap

A neap tide is a tide with the greatest difference between low and high tides

• true
• false

Tides are caused mainly by the differences in how much gravity from the moon and the sun pulls on different parts of the Earth. 

• True
• False

Changes in the positions of Earth, the moon, and the sun affect the height of high tides during a month. 

• True
• False