Element or Compound?
H₂O

• Element
• Compound

Tags

NGSS.MS-PS1-1

Element or Compound?
Oxygen

• Element
• Compound

Tags

NGSS.MS-PS1-1

Element or Compound?
Salt (NaCl)

• Element
• Compound

Tags

NGSS.MS-PS1-1

Which statement best describes an element?

• made from mixture 
• thousands in the world
• pure, made of only one atom
• can be separated 

• Element

• Compound

Tags

NGSS.MS-PS1-1

Which of the following is an example of physical change?

• Mixing baking soda and vinegar together, and this causes bubbles and foam.

• A glass cup falls from the counter and shatters on the ground.

• Lighting a piece of paper on fire and the paper burns up and leaves ashes.

• Baking a birthday cake for your mother.

Which of the following is an example of chemical change?

• Filling up a balloon with hot air.

• Taking a glass of water and freezing it by placing it in the freezer.

• A plant collecting sunlight and turning it into food.

• Your dog ripping up your homework.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which change can be easily be reversed?

• Chemical Change

• Physical Change

• Both a physical and chemical change

• Neither a physical or chemical change

Tags

NGSS.MS-PS1-4

When a new substance is formed with different properties than the original substance it is called a

• Chemical change

• Physical change

• Freezing

• Boiling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is an example of a physical change?

• Metal rusting

• Silver tarnishing

• Water boiling

• Paper burning