8th Grade Science 1st Semester Review

What is another word for hypothesis?

• evidence
• graph
• investigation
• prediction

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-3

The container is filled to the 350 mL mark with water. 

• observation
• inference
• problem
• hypothesis

Why should an experiment be repeated?

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

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

• none
• one
• two
• three

Tags

NGSS.HS-LS1-3

factors in an experiment that you change, measure, or keep constant

• variables
• constants
• hypothesis
• analyze

Tags

NGSS.MS-PS1-2

group that does not receive the variable you are changing or gets the "normal condition"

• experiment
• control group
• conclusion
• experimental group

Tags

NGSS.MS-PS2-5

the factor in an experiment that you measure or observe

• dependent variable
• control group
• controlled variable
• independent variable

Tags

NGSS.MS-PS3-4

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative

Tags

NGSS.HS-PS1-7

NGSS.HS-PS2-2

What are the three main branches of science?

• Botany, Zoology, Medicine?
• Earth sciences, Life sciences and Physical sciences
• Physics, Chemistry, Astronomy?

What is a theory?

• Describes what happens
• Explains a process

Tags

NGSS.MS-LS4-2