NOS Review Grade 7

Match it! Select the correct answer from the pull down...Good luck!

a procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law

are made with instruments such as rulers, balances, graduated cylinders, beakers, and thermometers. These results are measurable and use numbers

is a well-tested idea to explain a phenomenon and is accepted until it is proven wrong.

uses observations and measurements to explain something we see in the natural world, should match the evidence, and be logical

the branch of science concerned with the structure and properties of matter and energy

is an organized scientific study of the natural world that may include making systematic observations, asking questions, gathering information, analyzing data, summarizing results, drawing conclusions, and/or communicating results.

is a statement about the future. It's a guess, sometimes based on facts or evidence, but not always

is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly