Scientific Inquiry

Question 1

What is the scientific claim being made in this paragraph about BPA?

Revolt · Accepted Answer

Ingested BPA may affect the brain, behavior, and reproductive development in fetuses, infants, and children.

Question 2

News stories have claimed that cell phones may cause cancer or other health problems. Others, including cell-phone providers, have indicated that there is no evidence to support the claim of cell phones causing health problems. Which statements would most likely be found in a report issued by a cell-phone provider? Check all that apply.

Revolt · Accepted Answer

Cell phone use has increased to 303 million subscribers in the US as of 2010.; The number and duration of cell-phone calls has increased.

Question 3

The cause of the illness was .

Revolt · Accepted Answer

salmonella on dog food

Question 4

What is the evidence that supports the cause of the illness?

Revolt · Accepted Answer

The people in nine states had used the same dog food.

Question 5

Which statement is one of fact supporting how pH and flower color are related?

Revolt · Accepted Answer

Acidic soil produces pink flowers and neutral or slightly basic soil produces deep blue flowers.

Question 6

Indicate whether each source is reliable or unreliable. A scientist who studies dinosaurs presents her research on velociraptors at a science convention. A chemistry teacher discusses plant cells on his personal blog. An advertisement for weight-loss pills in a magazine claims that you will lose 10 lbs in one week. An article discusses photosynthesis in an encyclopedia. An article discusses salmonella on the Centers for Disease Control and Prevention (CDC) website.

Revolt · Accepted Answer

reliable; unreliable

Scientific Inquiry Answers

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