HMH Science

What are scientific explanations based on?

• Evidence
• Guesses
• Opinions
• Popularity

Tags

NGSS.MS-LS1-4

NGSS.MS-ESS3-1

What is a controlled procedure that tests the effect of one variable on another?

• Argument
• Experiment
• Model
• Observation

Tags

NGSS.MS-PS1-2

Along with experiments, scientists can also collect data through __________.

• debates
• explanations
• observations
• theories

_________ describe what will happen in nature, but not how or why.

• Hypotheses
• Laws
• Publications
• Theories

A(n) ______ is a representation of an idea or process.

• argument
• experiment
• model
• observation

Tags

NGSS.MS-ESS1-1

NGSS.MS-ETS1-4

Scientists often use graphs to show patterns in ______.

• data
• engineering
• history
• technology

Tags

NGSS.MS-PS3-1

Scientific _________ tell us how or why something in nature happens.

• calculations
• explanations
• laws
• questions

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS2-2

What do scientists call a debate about the evidence behind their explanations?

• Argument
• Experiment
• Model
• Observation

Tags

NGSS.MS-LS1-4

NGSS.MS-LS1-3

What is the process of scientists reviewing each other's work before it is published?

• Computational thinking
• Mathematical modeling
• Peer review
• Science fair

What do all scientific models have?

• Arrows
• Limitations
• Mathematical equations
• Moving parts

Tags

NGSS.MS-LS2-3