CBA #2 Review

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Acceleration only takes place when things speed up. 

• True
• False

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• all of these!

Tags

NGSS.MS-PS2-2

Changes in our speed, direction or both are called _________.

• gravity
• changes
• acceleration
• displacement

Tags

NGSS.MS-PS2-2

What is the net force on this box?

• 30 N left
• 25 N right
• 5 N left
• 55 N right

Tags

NGSS.MS-PS2-2

What is the net force on this box?

• 30 N left
• 25 N right
• 5 N left
• 55 N right

How will this object change its motion? 

• It will not change its motion. 
• It will accelerate to the right. 
• It will accelerate to the left. 
• It will move in both directions.