Georgia Comprehensive Science

Tides are caused by

• strong winds that blow over ocean waters.
• the interaction of Earth, the moon and the sun.
• the shifting of the plates on the ocean floor.
• variations in the salinity of ocean water

Tides are mostly affected by ___________

• wind
• gravitational pull of moon
• waves gravitation toward land
• rain

Which body has the greater effect on Earth's tides?

• Sun
• Saturn
• Moon 
• Venus

What is a high tide?

• Sea pulled TOWARD the moon where Earth is CLOSEST to the moon 
• Sea pulled AWAY from the moon where Earth is FARTHEST to the moon 
• Sea pulled AWAY from the moon where Earth is CLOSEST to the moon 

How many low tides and high tides happen in a day?

• 1 low tide, 1 high tide
• 4 low tides, 4 high tides
• 3 low tides, 3 high tides
• 2 low tides, 2 high tides

What type of tide will occur at 9:30 a.m.?

• low 
• high 
• none
• high and low

In which picture is the person experiencing the highest tide?

• Picture A
• Picture B
• Picture C
• Picture D

In which picture is the person experiencing the lowest tide?

• Picture A
• Picture B
• Picture C
• Picture D

What do we call a tide that has a large range between the high and low tides?

• gravity tide
• wind tide
• spring tide
• neap tide

What do we call the small tides that happen when the sun and moon are at right angles to each other?

• Neap Tide
• Spring Tide
• Larger Change
• Smaller Change