Nature of Science

Front

One useful tool that may help a scientists interpret data by revealing unexpected patterns is a

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graph

Front

You are investigating the numbers and types of birds in your neighborhood. If you watch a bird feeder to see which birds appear, you are_______

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observing

Front

Which of the following would be the outcome variable (dependent variable) for the following research question? How does the color of dye (food coloring) affect the time it takes for a drop of dye to completely spread out? Options: the time for the dye to spread out, the brand of food coloring, the mass of water, the shape of the container

Back

the time for the dye to spread out

Front

What is the independent variable in Justin's experiment testing which tissue holds up the best while sneezing? Options: sneezing, Justin, amount of tissue, type of tissue

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type of tissue

Front

Mr. McNeice wanted to know if different types of music affected people's heart rates, so he played different music and checked their pulses. What is the dependent variable?

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heart rate

Front

Which question can best be investigated by a scientist? Options: Should I buy a red shirt or a green shirt?, Does chocolate milk or plain milk taste better?, Does a plant need sunlight to grow?, Which feels softer, cat fur or dog fur?

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Does a plant need sunlight to grow?

Front

The container is filled to the 350 mL mark with water.

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quantitative observation

Front

Should Michelle's results be accepted if several other students obtained different results than hers in the school science fair competition about the effect of colored light on plant growth?

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Michelle's results should NOT be accepted because scientific results should be repeatable.

Front

This is the outcome of the experiment. We get data and results from this.

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Dependent Variable

Front

How many independent variables should be tested at a time in a scientific investigation?

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one