NOS Test

Look at the table. Name the item that was tested in this table.

• type of ground cover

• locations in the schoolyard

• the average temperature

• sun or shade

Tags

NGSS.MS-PS3-4

The variable that is changed by an investigator in an experiment to see if it answers a question or solves a problem.

• control

• constant

• independent variable

• dependent variable

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the dependent variable?

• increase the amount of iron in your blood

• the spinach you eat

An explanation of observations or events based on knowledge gained from many observations and investigations.

• Scientific law

• Scientific theory

• Scientific method

• Science

Describes a pattern or event in nature that is always true.

• Scientific theory

• Scientific law

• Scientific method

• Science

Tags

NGSS.HS-PS1-7

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A description of how close a measurement is to an accepted or true value.

• Accuracy

• Precision

• Significant digit

• Explanation

The factors in an experiment that remain the same.

• Variables

• Dependent variable

• Independent variable

• Constants

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

• none
• one
• two
• three

What is the basic unit of length in the metric system?

• centimeter

• inch

• yard

• meter

Which of the following is a unit of volume in the metric system?

• gram

• liter

• second

• meter