Chapter 1 Test Review

The ________ is what the scientist measures in an experiment.

• Hypothesis

• Control

• Independent Variable

• Dependent Variable

Which of the following will make your data more reliable?

• Control group

• Constants

• Multiple Trials

• Correct Hypothesis

The ________ is what the scientist wants to test the effects of.

• Hypothesis

• Control

• Independent Variable

• Dependent Variable

The dependent variable goes on the:

• x-axis

• y-axis

Which type of graph would best show data that changes over time?

• Line graph

• Bar graph

• Pic chart

• Scatter plot

Identify the dependent variable.

• Color of the light

• Growth of the plant

• Number of plants

• Number of lights

Tags

NGSS.MS-LS1-5

Date/observations that are descriptive in nature.

• Qualitative
• Quantitative

Data/observations based on measurements, volume, mass, or another quantity

• Qualitative
• Inference
• Quantitative
• variables

 An organized process used to gather observations and test a hypothesis is

• Experiment
• Problem
• Inference
• Exercise

A hypothesis is-

• a possible explanation of an observation that can be tested
• a proven statement
• a conclusive statement
• a definite answer to a possible problem