Exploring Biology Basics: Nature of Science Concepts

What is a fact in science?

• A principle based on repeated experiments

• A hypothesis that has been proven

• A verifiable observation

• An opinion that is widely accepted

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

Which of the following best describes a scientific theory?

• An explanation of an observed phenomenon

• A random idea

• A principle that describes a pattern in nature

• A hypothesis that has been tested once

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

What is the first step in the scientific method?

• Analyzing data

• Making a hypothesis

• Conducting background research

• Asking a question

What is an observation in science?

• A hypothesis

• A description based on senses

• A subjective opinion

• A theory

Which of the following is a qualitative observation?

• The temperature is 25°C

• The liquid is green

• The mass is 50 grams

• The liquid is 100 ml

What does precision in data collection refer to?

• The number of measurements taken

• How close measurements are to the correct value

• How close measurements are to each other

• The type of instrument used

What is the purpose of a control group in an experiment?

• To ensure the experiment is biased

• To introduce new variables

• To serve as a standard for comparison

• To manipulate variables

What is an independent variable?

• The variable that is used for comparison

• The variable that is measured

• The variable that is kept constant

• The variable that is deliberately changed

What is the main goal of technology in relation to science?

• To disprove scientific laws

• To replace scientific methods

• To apply scientific discoveries to meet human needs

• To create new scientific theories

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-1

NGSS.HS-ETS1-3

What is the first step in the technological design process?

• Identifying the problem

• Evaluating the design

• Building a prototype

• Testing the solution