1st Six Weeks and 2nd Six Weeks Review for DBM1

Pick all the examples below that would be an example of Newton's 3rd Law of Motion.

• Walking on the ground

• Driving in car and stops suddenly you move forward

• Swimming through water

• I have to apply more force to my shopping cart when I fill it with groceries.

• Rocket launching into space

Tags

NGSS.MS-PS2-1

The smallest unit of an element that still has properties of that element is called a(n) (a)   .

What is the difference between speed and velocity?

• speed is mph and direction

• velocity is speed in mph

• speed is on the direction the object moves

• velocity is the speed and direction of an object.

How do you calculate the net force for two objects pulling in opposite directions? Also, how do you know what direction the object will move?

• Opposite directions you add, it moves in direction of smaller force.

• Opposite directions you subtract, it moves in direction of smaller force.

• Opposite directions you subtract, it moves in direction of greater force.

• Opposite directions you add, it moves in direction of the greater force.

Tags

NGSS.MS-PS2-2

Choose all the answers that are a sign of a chemical reaction.

• Tearing Paper

• Color Change

• Temperature Change

• Breaking Ice

• New Substance

Tags

NGSS.MS-PS1-2

Antoine Lavoisier performed experiments with burning substances. He realized that the mass of the container always remained the same. What law did he develop based on these observations?

• Law of Conservation of Energy

• Law of Conservation of fixed proportions.

• Law of Conservation of Combustion

• Law of Conservation of mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• Balanced

• Not Balanced

Tags

NGSS.MS-PS1-5

• 687 g

• 402 g

• 117g

• 107 g

Tags

NGSS.MS-PS1-5

How do you know if elements have similar chemical properties? Explain

• They are to the right of the zigzag line

• They are to the left of the zigzag line

• They are in the same period

• They are in the same group

Name elements that have chemical properties similar to those of Chlorine. Choose all that apply.

• Sulfur

• Astatine

• Iodine

• Argon

• Fluorine