All About tides

Tidal waves

Ocean waves

The rise and fall of the oceans

The temperature of the oceans

4 total - 2 high and 2 low

2 total - one high and one low

1 high tide

1 low tide

The water sloshing around as the Earth spins

The temperature of the ocean changing

Whales moving through the water

The gravity of the Earth, Sun, and moon

The Earth's gravity because that's where the ocean is

The moon's gravity because it is much closer to Earth

The sun's gravity because it is so much bigger than the Earth and moon