Envi Sci Final Exam Review 1

Which of the following is an example of a dependent variable in a scientific experiment?

• The amount of sunlight a plant receives

• The height of a plant after two weeks

• The type of soil used

• The number of seeds planted

Tags

VA.BIO.1.a.4.

What is the term for a statement that can be tested by an experiment or observation?

• Law

• Hypothesis

• Theory

• Conclusion

Tags

VA.BIO.1.a.3.

Which of the following is an example of an independent variable?

• The temperature of water in an experiment

• The color of the solution after mixing

• The amount of gas produced

• The mass of the beaker

Tags

VA.BIO.1.a.4.

Which question could arise from observing a group of plants growing in different light conditions?

• What is the capital of Virginia?

• Why do some plants grow taller in more sunlight?

• How many leaves are on a tree?

• What is the boiling point of water?

Tags

VA.BIO.1.a.1.

Which of the following questions can be investigated in a school laboratory?

• How does the amount of fertilizer affect plant growth?

• How do stars form in space?

• What is the population of whales in the ocean?

• How old is the Earth?

Tags

VA.BIO.1.a.2.

After reading about photosynthesis, which hypothesis is most appropriate to test?

• Plants are green.

• If a plant receives more sunlight, then it will produce more oxygen.

• Water is important for life.

• Trees are taller than bushes.

Tags

VA.BIO.1.a.3.

Which of the following best describes a hypothesis?

• A proven fact

• An educated guess that can be tested

• A random idea

• A list of materials

Tags

VA.BIO.1.a.3.

Which question is most likely to arise from examining a model of the human heart?

• How does blood flow through the heart chambers?

• What is the tallest mountain in the world?

• How many bones are in the human hand?

• What is the freezing point of water?

Tags

VA.BIO.1.a.1.

Which of the following is a testable question for a school laboratory experiment?

• Does the type of liquid affect how fast ice melts?

• What is the meaning of life?

• Why is the sky blue?

• How many stars are in the universe?

Tags

VA.BIO.1.a.2.

Which of the following is a simple procedure used to test a hypothesis?

• Measuring the height of plants every day for a week

• Writing a story about plants

• Drawing a picture of a plant

• Reading a book about plants

Tags

VA.BIO.1.a.4.