Nature of science

Front

What is true about a scientific theory?

Back

A scientific theory is an explanation.

Front

What is the difference between a scientific theory and a scientific law?

Back

A theory is an explanation of the natural world and a law is a description of the natural world.

Front

What best describes a hypothesis?

Back

A hypothesis is a prediction about what will happen based on observations and evidence.

Front

Which of the following is NOT an observation made in a laboratory experiment?

• making observations about the effect of fertilizer on plants growing in the lab
• comparing the colors of flowers grown in an experiment
• measuring the growth of plants exposed to different amounts of sunlight
• counting the human population in the State of Florida

Back

counting the human population in the State of Florida

Front

Which choice is an independent variable?

• measuring the distance a student can jump in meters
• counting the number of ants in population
• measuring the lengths of students' hair
• providing different levels of sunlight to plants in an experiment

Back

providing different levels of sunlight to plants in an experiment

Front

Why should an experiment be repeated?

Back

to reduce the chance of error

Front

How many independent variables should be tested at a time in a scientific investigation?

Back

one

Front

A visual display of data or information

Back

graph

Tags

NGSS.MS-PS3-1

Front

A graph that shows information as parts of a circle is a _____

Back

circle graph

Front

How many students take the bus to school?

Back

35