Scientific Investigations, Tools, and Measurement

Making a forecast of what will happen in the future based on past experience is called

• observing.

• inferring.

• predicting.

• classifying.

Tags

NGSS.MS-ESS3-2

In science, a hypothesis must be

• correct.

• manipulated.

• controlled.

• testable.

What scientific tool would be best used to compare the masses of two rocks?

• a hot plate

• a test tube

• an electronic balance

• an electron microscope

Many tools can be used to measure the volume of a liquid. Which tool gives the most precise measurement of liquid volume?

• beaker

• test tube

• measuring cup

• graduated cylinder

Identify this piece of lab equipment.

• graduated cylinder

• beaker

• test tube

• flask

Identify this piece of lab equipment.

• magnifying glass

• microscope

• electronic balance

• hot plate

Using one or more of your senses to gather information is called

• observing.

• predicting.

• classifying.

• inferring.

Tags

NGSS.MS-LS1-8

Explaining or interpreting the things you observe based on reasoning from what you already know is called

• observing.

• inferring.

• predicting.

• classifying.

During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the

• independent variable.

• dependent variable.

• operational variable.

• constant variable.

What scientific tool would be best used to study your cheek cells?

• a hand lens

• a microscope

• a metric ruler

• a graduated cylinder