The boiling point of water is?
100 degrees
Energy comes in many forms. Which of the following represent mechanical energy?
A wind up clock ticking.
What is one problem with using series circuit?
If one light goes down, they all go down!
Why do we see object as white?
They reflect all light
Mountains are formed when______push together.
tectonic plates
Which property would best separate a mixture of sand and iron filings?
Magnetism
Which form of energy do our bodies use from the food we eat?
Chemical
What is a benefit of using a parallel circuit?
If one light goes out, it dose not affect the others.
Opaque means...
No light passes through it
the breaking up and moving of weathered rocks from one place to another
erosion
If a box of crayons was left in hot car which would happen to the crayons?
The paper wrappers would melt.
Several forms of energy can move in waves. Which of these dose NOT?
Chemical
What causes lighting?
A difference in electrical charge.
the color you see is the color that is_.
reflect
Which of the following land forms is the result of a river craving out land by erosion?
Canyon
What is the freezing point of water?
0 degrees
What is the main reason electrical wire is often covered with plastic material?
Plastic insulates the wire to prevent shocks.
A flow of electrons through a conductor:
A current
.__________ light has the shortest wavelength
Violet
The process of breaking up rocks on Earth's surface is called...
weathering
A combination of rocks and water is an example of
a mixture.
Which of these best describe energy?
the ability to cause motion or create a change.
In most electrical circuit, the pathway is made of:
Metal
The primary colors of light are
red, blue, green
What is sediment?
bits of rock, sand, and silt caused by the weathering of rocks