Science Olympiad Miscellaneous Worksheet-25
Fill in the Blanks.
What is a mixture of broken-down rocks and decomposed plants and animals called?
What kind of simple machine is a wheelchair ramp?
What is the inner most region of the earth called?
True or False.
When salt water evaporates, it takes the salt from the ocean with it.
Changing some of the metals that make up a complex polymer would probably result in a compound with different chemical properties.
Two or more substances may be combined to produce a new material with different properties. This new material is called a plastic.
