Gateway to Science Vocab List L

Front

What is any natural feature of Earth's surface, such as a hill, a lake, or a canyon, called?

Back

landform

Front

What is the very hot melted rock that comes out of a volcano called?

Back

lava

Front

In science, what is an accepted explanation that has been proven over and over called?

Back

law

Front

A ______ is a long bar, one end of which is placed under a heavy object so that when you press down on the other end you can move the object.

Back

lever

Front

______ is energy in the form of electromagnetic waves.

Back

Light energy

Front

______ is the very bright flashes of light in the sky that happen during thunderstorms.

Back

Lightning

Front

A ______ is any object or device that gives off light, such as the sun or an electric lightbulb.

Back

light source

Front

A ______ is the distance that light travels in a year. It is 9.46 trillion kilometers.

Back

light-year

Front

A ______ is a substance which is not solid but which flows and can be poured, for example, water.

Back

liquid

Front

Fill in the blank: The ______ is the object to be moved using a machine.

Back

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