7.6a

If a NEW SUBSTANCE is formed, what type of change is this?

• Chemical Change

• Physical Change

• Energy Change

• Major Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mr. Bob is eating his apple at lunch time. His body is working to aid in digestion of food. Which of the following is a CHEMICAL change that occurs to the food?

• The pieces get smaller and smaller with eat chew.

• The food moving down to the stomach.

• The breakdown of molecules in the stomach.

• None of the Above.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Which of the following is an example of a common kitchen activity that results in a chemical change?

• Frying eggs

• Slicing bread

• Boiling water

• Thawing meat

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

H₂O is a compound molecule.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-1

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

• a gas at room temperature.

• made of two different elements.

• given off by green plants.

Tags

NGSS.MS-PS1-1

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• Mn

• Magnesium

• Mg

• 12

Compounds are different than elements because compounds are -

• A combination of two or more elements.

• 
  not able to be broken down into parts

• made from the same type of atoms
  

• a pure substance, elements are not
  

Use the periodic table to determine the Chemical symbol for Iron.

•  Ir

• FE

• Fe

• I

What is the difference between a compound and an element?

• Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

• Elements make up compounds. Elements can be separated but compounds cannot be separated.

• Elements are found on the periodic table and compounds are found on the dining room table.

Tags

NGSS.MS-PS1-5

Element, mixture, or compound?

• element

• mixture

• compound

Tags

NGSS.MS-PS1-1