7th Grade Science Benchmark 3 Review

What is the Law of Conservation of mass?

When molecules are cooling down they will move

__________ is an energy resource that WILL run out in the next several hundred years.

Solar energy can be replaced as fast as they are used so it is considered ____________.

When tectonic plates collide (convergent) what landform is created?

Where plates pull away from each other

__________ are formed when two continental plates collide.

______ is the end result of a chemical reaction. (Right Side)

How many total atoms are in this compound? Al₂O₃

Balance the following equation:

___ H₂+ ___ O₂→___ H₂O

Which of the following is a common sign that a chemical change has occurred?

Natural resources that undergo a chemical process

What is the difference between natural and synthetic resources?

What materials would be good insulators for a handle on a pan or pot that would be used on the stove?

What type of thermal energy transfer is the illustration an example of?

When a reaction ___________ heat, the reaction feels colder. This is called an _________________ reaction

When a reaction ___________ heat, the reaction feels hotter. This is called an _________________ reaction.

What organisms undergo cellular respiration?

Which gas is needed for Cellular Respiration?

What would happen if their were no producers?

A cell wall is ONLY in plants as a thick structure to PROTECT the plant, so ...

The cell membrane is found in plants and animals. It is selectively permeable like a guard to protect the cell, which means...