What is the main idea?
The sea is full of salt water. Fresh water is found in ponds, lakes, rivers, and streams. Did you know that there are large amounts of fresh water found in certain places in the sea?
Where fresh water and salt water are found.
What is the main idea?
Did you know that sound can travel through solids, liquids, and gas. Since we are surrounded by a gas called air, most sounds reach us through the air. Sometimes we can feel sound going through a solid, like the ground or a desk. Sounds can travel through a liquid like water or the sea.
The main idea is what carries sound.
What is the main idea?
Violins and violas are very similar. Both of them are string instruments that you might find in an orchestra. You also could find a cello in an orchestra. Violins and violas both have 3 strings that you play by using a bow or by plucking. Also they are both played by being held between the shoulder and chin.
Violins and violas are very similar.