Methods of Scientific Investigation

Which of the following is a step in the scientific method?

• Hypothesis

• Conclusion

• Experiment

• All of the above

In the scientific method, a hypothesis is a ______.

• proven fact

• testable prediction

• random guess

• final result

Which of the following fields use scientific methods that vary across disciplines?

• Biology

• Geology

• Physics

• All of the above.

Fossils help determine the _______ age of rock layers.

• Absolute

• Relative

• Exact

• None of the above

Radioactive decay is used to provide _______ ages for rocks.

• Relative

• Absolute

• Estimated

• None of the above

Tags

NGSS.HS-PS1-8

Scientists use physical evidence like fossils, rock layers, and _______ to understand Earth's history.

• minerals

• isotopes

• plants

• animals

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What is the process by which fossils are made?

• Organisms are buried by sediment, preserved, and turned into rock over time.

• Organisms are exposed to air and decompose.

• Organisms are frozen and remain unchanged.

• Organisms are eaten by predators.

Fossils are formed when organisms are buried by sediment such as sand, mud, rocks, and dirt, preserved, and turned into ______ over time.

• water

• rock

• air

• ice

Tags

NGSS.MS-LS4-1

Using their position in the different layers of rock, scientists can place these layers in the correct order with the help of ____.

• Water

• Fossils

• Stars

• Plants

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What are fossils in the context of dinosaurs?

• Old bones of dinosaurs

• Rocks that have replaced the bones

• Living tissues

• None of the above.

Tags

NGSS.MS-LS4-1