Answers FL-2003010-MJ Physical ScienceScientific Inquiry

Scientific Inquiry Answers

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An advertisement for a new fish food claims that lab studies show that fish grew three inches in three weeks while eating the food. Travis wondered if the food was worth the extra cost.To evaluate the claim in the advertisement, Travis should

look at the data for the control group to see how much the fish grew without the new food.

check the lab results to see if the researchers changed the dependent variable in the same way.

examine the data to find how the researchers changed the variables within the control group.

determine if the results show the independent variable changing as the dependent variable was changed.

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After watching a show about submarines, Jamil wants to learn more about the oceans. Which question could be answered through scientific investigation?

Which ocean has the best beaches?

Which type of whale is the most popular?

What ocean has the best scuba diving spots?

What substances dissolve in ocean water?

Pablo wants to enter the science fair. Which question could be answered through scientific investigation?

Which sport is the most fun to watch?

Who is the greatest pitcher of the last one hundred years?

When is the best baseball team determined each year?

What is the best angle to throw a ball for maximum distance?

Question text not available

in Box 1 only

in Box 2 only

in Box 2, 3, and 4

in Box 1, 2, 3, and 4

Rhonda watched a video taken by a camera that was lifted into the upper atmosphere by a weather balloon. She saw the balloon pop when it reached a certain height. Afterward, Rhonda wondered what effect the air pressure at high altitudes has on the volume of gas in balloons.What scientific practice is Rhonda performing?

asking a question

providing explanations

communicating results

performing an investigation

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

Which color bends the most to make a rainbow?

What color of scented marker has the best smell?

Which flower has the prettiest shade of purple on its petals?

What is the best-looking color on a high-performance sports car?

Which provides a baseline for an experimental investigation?

hypothesis

control group

dependent variable

independent variable

Which question about dogs could be answered through scientific investigation?

How loving of a pet is an Irish terrier?

How fast does an Australian terrier grow?

Which type of dog gets along the best with cats?

Which breed of dog is the cutest to children?

Which statement best describes comparative and descriptive investigations?

They both include a question, procedure and conclusion.

They both include a hypothesis.

They both require a specified control group.

They both use independent and dependent 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?

The temperature and the amount of damage to the limestone are controls. The amount of acid and the type of limestone are variables.

The temperature and the type of limestone are controls. The amount of acid and the amount of damage to the limestone are variables.

The amount of acid and the type of limestone are controls. The temperature and the amount of damage to the limestone are variables.

The amount of acid and the amount of damage to the limestone are controls. The type of limestone and temperature are variables.

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?

The density and the amount of water are controls, and the amount of salt and the type of salt are variables.

The amount of water and the amount of salt are controls, and the type of salt and the density are variables.

The type of salt and the amount of water are controls, and the amount of salt and the density are variables.

The type of salt and the density of water are controls, and the amount of salt and the amount of water are variables.

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