Analyzing Data — Unit test Answers

Kiara has a red bird feeder, and her neighbor has a blue bird feeder. Kiara observed that most birds go to her neighbor's blue feeder instead of her red one. She wanted to know why this happens, so she developed the following hypothesis:"If my bird feeder is blue, then the amount of birds feeding at my feeder will increase because birds prefer the color blue."To test this hypothesis, she bought a blue bird feeder. The results were the same as before she had changed the color of her bird feeder.What does this say about Kiara’s hypothesis, and what should she do next?

View the frequency distribution graph about people who regularly use a specific cell phone app.

Which statement identifies a characteristic of a scientific theory?

View the spinner.

In March 2015, the American space program sent astronaut Scott Kelly to live on a space station for a whole year, where he will not feel gravity as the space station orbits Earth. Scott Kelly’s twin brother, Mark, stayed at home. Scientists then plan to study the twins’ body chemistry, genetics, sight, and other data. This way, scientists can find out how living with and without gravity affects two identical people.