Science Final Review (a little long)- rahaf

Which of the following is the first step of the scientific method?

• Ask a question

• Draw a conclusion

• Analyze data

• Make a graph

What should a properly labeled graph include?

• Title, labeled axes, and increments

• Only a title

• Only labeled axes

• Only increments

What are the rows in the periodic table called?

• Periods

• Groups

• Families

• Blocks

Which of the following is a characteristic of Alkali Metals?

• Highly reactive

• Inert gases

• Poor conductors of electricity

• Found as diatomic molecules

What is the main difference between groups and periods in the periodic table?

• Groups are columns, periods are rows

• Groups are rows, periods are columns

• Both are columns

• Both are rows

Why is it important to use control variables in an experiment?

• To ensure results are due to the independent variable

• To make the experiment more complicated

• To change the outcome

• To ignore the dependent variable

Tags

NGSS.MS-PS3-4

What is the main characteristic of noble gases?

• They are highly reactive.

• They are good conductors of electricity.

• They are generally unreactive.

• They are always solid at room temperature.

Which state of matter has particles that are farthest apart?

• Solid

• Liquid

• Gas

• Plasma

What causes chemical bonds to form?

• Attraction between protons

• Attraction between electrons and nuclei

• Attraction between neutrons

• Attraction between atoms and molecules

Tags

NGSS.HS-PS1-1

Where are valence electrons located in an atom?

• In the outermost shell

• In the nucleus

• In the innermost shell

• Between protons and neutrons