NOS Review Grade 7

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

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

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

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

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

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.

means you repeat your sequence of instructions a certain number of times

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

are the things that the scientist focuses his or her observations/measurements on to see how they have responded to the change made