Nature of Science Review

Scientists develop _____ explaining phenomena they observe and experiment with.

• pseudosciences
• hypothesis
• data inquiries
• subjective standards

What does the line in this graph indicate?

• increase in mass over a certain number of years
• increase in mass over a certain number of days
• decrease in mass over a certain number of days
• mass of animals eaten by an anole

A(n) ____ is a procedure preformed in a controlled setting to test a hypothesis and collect data.

• theory
• experiment
• constant
• control group

Using the 5 senses to understand what is happening around you is called

• experimenting
• observing
• hypothesizing
• sensing

The factor being tested in an experiment, the one that *I* change, is the

• independent variable
• dependent variable
• control group
• hypothesis

The group that does NOT have the independent variable applied to them and is used only for comparison is the

• control group
• experimental group
• qualitative data
• quantitative data

What tool do we use to measure length?

• graduated cylinder
• beaker
• ruler
• balance

Why should an experiment be repeated?

• to form a hypothesis
• to reduce the chance of error
• to change controls
• to identify the problem

What is the first step in a commonly used scientific method?

• digging for artifacts
• drawing conclusions
• controling variables
• recognizing a problem

What is the variable that is measured in an experiment?

• independent variable
• dependent variable
• control variable
• constant variable