STAAR wrap up

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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

• negatrons 
• electrons 
• neutrons 
• protons 

How many Valance electrons does Iodine Have?

• 6
• 16
• 7
• 17

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Balanced or Unbalanced?

• Balanced 
• Unbalanced

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Football A has a greater mass than football B.  Which football will have greater acceleration when both are thrown with the same force in the same direction?

• Football A
• Football B
• They will have the same acceleration
• Mass has no effect on acceleration

How much force would be required to accelerate a 2 kg object at a rate of 15 m/sec²?

• 7.5 newtons
• 13 newtons
• 17 newtons
• 30 newtons

When a basketball is dropped to the floor, it bounces back up to the player's hand. Which of Newton's laws best explains why this occurs?

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Newton's Fourth Law