Chemistry

Idea that matter cannot be created nor destroyed

• Rutheford's Rule

• Mendeleev's Mandate

• Law of Conservation of Matter

• The Periodic Law

Tags

NGSS.MS-PS1-5

Person that wrote the Law of Conservation of Matter/Mass

• Antione Lavoisier

• Democritus

• JJ Thomson

• Dmitri Mendeleev

The science that seeks to understand what matter does

by studying what atoms and molecules do.

Virtually everything around you is

composed of chemicals.

• True

• False

The ______ are bound together to form several different types of molecules.

The characteristics of carbon dioxide molecules make carbon dioxide a _____ at room temperature.

• solid

• liquid

• gas

The characteristics of water molecules make water a ________ at room temperature.

• solid

• liquid

• gas

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.MS-ETS1-4

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

What is the first step in the scientific method?

• Ask a question
• Conclusion
• No Horse Play
• Observe

Tags

NGSS.K-2-ETS1-1