LC 3 Redo

Henry, Aiden, and Samuel are playing with a toy car. They are trying to calculate the net force of the toy car in the image shown. Can you help them?

• 20N

• 35N

• 5N

• 25N

Tags

NGSS.MS-PS2-2

A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 

• metal

• metalloid

• nonmetal

• cannot be determined

Is burning wood a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A mixture that appears to be evenly mixed throughout

• an atom

• a homogeneous mixture

• a compound

• a heterogeneous mixture

Calculate the number of Oxygen atoms in Al(OH)₃

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many Sodium atoms are in 6NaCl?

• 1

• 6

• 1

• 3

Tags

NGSS.MS-PS1-1

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

What is happening at C?

• Stationary

• Fast steady speed; moving away from the starting position

• Accelerating

• 
  Slower steady speed; moving away from the starting position

Tags

NGSS.MS-PS3-1

A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s². What is the mass of the skier? To solve this problem you must do

• 132 x 2

• 132 ÷ 2

• 2 ÷ 132

Tags

NGSS.MS-PS2-2

An object in motion (or at rest) will stay in motion (or at rest) until an outside force acts upon it.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law