Elements, Compounds, and Mixtures

When salt is dissolved in water, it becomes a ______ mixture.

• element

• compound

• homogeneous

• heterogeneous

Mrs. Morgan is baking a cake! She pours flour and sugar into a bowl. The substance in the bowl is ...

• a compoud

• a mixture

• an atom

• an element

Gold (Au)

• Element

• Heterogenous Mixture

• Homogeneous Mixture

• Compound

Tags

NGSS.MS-PS1-1

Hydrogen is a pure substance represented by the chemical symbol, H. Which of the following best describes Hydrogen?

• Hydrogen is an ELEMENT made of TWO OR MORE kinds of atoms.

• Hydrogen is a COMPOUND made of only ONE kind of atom.

• Hydrogen is a COMPOUND made of TWO or more kinds of atoms.

• Hydrogen is an ELEMENT made of only ONE kind of atom.

Tags

NGSS.MS-PS1-1

Match the following:

An Element is made of ____ atom (s).

• ONE
• TWO OR MORE

• NO

Which of the following is an example of a HETEROGENEOUS MIXTURE?

• H2O (Water)

• Dr. Pepper

• vegetable soup

• Iron (Fe)

Which of the following is a COMPOUND?

• Hydrogen Sulfide Gas (H2S)

• Solid Iron Metal (Fe)

• Salad

• Air

Tags

NGSS.MS-PS1-1

When Carbon (C) and Hydrogen (H) combined to form the compound methane (CH4), what has occurred?

• Carbon (C) and Hydrogen combine CHEMICALLY.

• It is impossible for Carbon (C) and Hydrogen (H) to combine.

• Carbon (C) and Hydrogen (H) combine PHYSICALLY and can be separated by physical means.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Air and Balloons are considered to be matter.

• True

• False

Matter is anything that takes up space and has a mass. Locate the items that ARE NOT MATTER.

• Air

  Rocks

  Baby Powder

• Salt

  Rotten Apples

  Cells

• Bacteria

  Dust

  Milk

• Light

  Love

  Heat Energy