Unit 1-How Scientists Work

What tool would a scientist use to measure the temperature of meat coming out of the oven?

• meter stick

• thermometer

• hand lens

• stop watch

Fatima wants to know more about how birds protect their nests. Which tools should Fatima choose for her experiment?

• recorder and collecting net

• camera and notebook

• hand lens and stopwatch

• calculator and clock

Any condition in an experiment that can be changed is a(n)

• control

• hypothesis

• variable

• spring scale

Jane wants to measure the mass of a rock. The tool she should use is a(n)

• balance

• spring scale

• ruler

• stopwatch

A(n) is a belief or a judgment.

• investigation

• fact

• opinion

• experiment

What tool is used to measure volume in milliliters?

• balance

• hand lens

• meterstick

• graduated cylinder

A science class went on a field trip to study the organisms that live in a stream near the school. Which of these tools would be useful for collecting and analyzing information about the animals living in the stream?

• graduated cylinder

• net

• telescope

• balance

The study of the natural world through observation and investigation is

• math

• observational testing

• science

• investigations

The way that scientists perform investigations and collect reliable data

• investigate

• ask a friend

• The Scientific Method

• communicate with others

Information that is collected during an investigation

• clues

• evidence

• answers

• people