Ch 1 The Science of Biology Review

What is the variable that is deliberately changed?

• Dependent Variable

• Controlled Variable

• Independent Variable

• Constants

An experiment in which only one variable is changed...

• Controlled Experiment

• Experimental Group

• Control Group

• Independent Variable

Tags

NGSS.MS-PS2-2

By measuring the height of a giraffe the scientist is collecting what kind of data?

• Dependent Variables

• Qualitative Data

• Control Group

• Quantitative Data

Testing hypotheses often involves designing experiments. Which of the following is the factor that is observed and measured in an experiment?

• control group

• experimental group

• dependent variable

• independent variable

Which of the following statements about science is accurate?

• Science deals with the investigation of supernatural events and creatures.

• Science is a list of beliefs and facts that is constant and unchanging.

• Science involves collecting and organizing data about the natural world.

• Science is the process of finding evidence that supports what you already think.

Tags

NGSS.MS-LS1-1

A scientific theory is...

• the same as a hypothesis

• a well-tested explanation that unifies a broad range of observations

• the same as the conclusion of an experiment

• the first step in a controlled experiment

A skeptical attitude in science...

• prevents scientists from accepting new ideas

• encourages scientists to readily accept new ideas

• means a new idea will only be accepted if it is backed by evidence

• is unimportant

Tags

NGSS.HS-LS3-2

The purpose of peer review of science is to ensure that...

• all scientific research is funded

• the results of experiments are correct

• all scientific results are published

• published results meet standards set by the scientific community

The relatively stable set of internal conditions that organisms maintain is called...

• metabolism

• a genome

• evolution

• homeostasis

Tags

NGSS.HS-LS1-3

Oscar the grouch wonders if adding earthworms to his compost pile will increase the rate of decomposition. Two piles receive the same materials and the same amount of water and sunlight. Only one compost pile includes earthworms. What is the dependent variable?

• Adding the earthworms to one pile

• the increased rate of decomposition

• using the same materials and same amount of water and sunlight

• nothing