Understanding Tides: Spring and Neap Tides

What is used to represent the sun and the moon in the demonstration of gravitational pull?

• A stack of paper clips and a thumbtack

• A bent paperclip and a red line

• A piece of cardboard and a thumbtack

• A stack of magnets and some paper clips

Why does the sun have a greater gravitational pull than the moon?

• Because it is closer to the Earth

• Because it is more massive

• Because it is made of gas

• Because it is hotter

What does the bent paperclip represent in the demonstration of ocean swells?

• The moon

• The Earth

• The sun

• The ocean

How are spring tides different from neap tides in terms of alignment?

• Neap tides occur when the sun, Earth, and moon are in a straight line

• Spring tides occur when the sun, Earth, and moon are in a straight line

• Neap tides occur when the sun and moon are in a straight line

• Spring tides occur when the sun and moon are at a 90-degree angle

What is the mnemonic to remember the difference between spring and neap tides?

• Neap is 90, Spring is straight

• Neap is straight, Spring is 90

• Spring is 90, Neap is straight

• Spring is straight, Neap is 90