Midterm Review: Part 1

The central region of an atom where its neutrons and protons are is its _______.

• Nucleus

• Electron cloud

Particles in an atom that are neutral and have no charge are ______. 

• Negatrons 
• Electrons 
• Neutrons 
• Protons 

If a new substance is formed would this be a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Is sour milk a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

A metal bike rusting is an example of a _____ change

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

How many neutrons does lithium have?

• 3

• 4

• 7

• 2

Tags

NGSS.MS-PS1-1

What is the measurement on the triple-beam balance shown?

• 335g

• 35g

• 3.5g

• 305g

What is the mass on this triple beam?

• 200g
• 44g
• 244g
• 4g

Tags

CCSS.3.MD.A.2

Which TWO astronomers believed in the GEOCENTRIC Model?

• Aristotle

• Copernicus

• Galileo

• Ptolemy

Which model is shown in the photo below?

• Heliocentric

• Geocentric

Tags

NGSS.MS-ESS1-1