Scientific Inquiry Answers

Candace is interested in learning more about colors. Which question about colors could be answered through scientific investigation?

Lidia plans an experimental investigation to see how the thickness of a lens affects the point where a beam of light is focused. She plans to shine light through a lens and measure the distance to a screen that is placed where the beam focuses.What are the controls in Lidia’s investigation?

Which kind of investigations never include a hypothesis?

Which kind of investigations are meant to provide large amounts of information about a wide range of variables?

Omar observes that many buildings in his city were built using limestone. He has read that acid rain can damage limestone. He also knows that limestone reacts with acids and that chemical reactions are affected by temperature. With this in mind, he conducts an investigation to see how the amount of damage to the limestone is affected by the amount of acid on the stone.Which statement describes the correct plan for his procedure?

Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water. Which statement best describes the correct plan for her procedure?

Which statement best describes comparative and descriptive investigations?

Maggie is a member of her school’s environmental club and is interested in recycling. She asks the question, “How does exposure to the environment affect recyclable plastics?”What best describes why and how Maggie should change her question to make it a better scientific question?

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Which question about dogs could be answered through scientific investigation?