Water Cycle
This is the movement of water from the earth to the air and back again.
What is the water cycle?
What is a wave?
These are the rise and fall of the water level of the oceans.
What are tides?
These are the four main oceans of the world.
What are the Pacific, the Atlantic, the Indian, and the Arctic Oceans?
Almost three-fourths of the Earth is covered by this.
What is water?
This process happens when water changes into a gas or water vapor.
What is evaporation?
These streams of water moving like rivers through the ocean.
What are currents?
Tides happen in different places because the earth rotates and this heavenly body pulls on the earth.
What is the moon?
This is the largest and deepest ocean.
What is the Pacific Ocean?
These two types of water are found on earth.
What are salt water and fresh water?
This occurs when water or snow falls to the ground.
What is precipitation?
These types of currents are caused by the wind.
What are surface currents?
Many bodies of water have two of these each day.
What are high and low tides?
This is the smallest and shallowest ocean.
What is the Arctic Ocean?
This type of water carries nutrients and minerals to the ocean.
What is fresh water?
This occurs when water vapor in the air cools and forms a cloud.
What is condensation?
These types of currents are caused by changes in temperature and by the amount of salt in the ocean.
What are deep ocean currents?
These are extreme tides that occur when the moon is between the sun and earth.
What are spring tides?
These three landforms are also found on the ocean floor.
What are mountains, valleys, and plains?
Most of the world's fresh water is frozen in these two areas.
What are the North Pole and the South Pole?
This warms the oceans and other bodies of water so that the water changes from liquid to water vapor.
What is the sun?
These are series of very long and tall waves that are caused by the sudden movement of a large amount of water. These waves can be very destructive.
What are tsunamis?
These are moderate tides that occur when the moon and sun form a right angle with the earth.
What are neap tides?
This is the deepest valley in the Pacific Ocean.
What is the Mariana Trench?
This force pulls fresh water toward the oceans.
What is gravity?