MIXTURES/PURE SUBSTANCES

Instant coffee is made by dissolving a powder in hot water. Instant coffee is a ___________________ .

• pure substance

• mixture

Cake batter is a substance that may contain flour, eggs and sugars mixed by hand or with an electric mixer. Cake batter is a ___________________ .

• pure substance

• mixture

Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________

• pure substance

• mixture

Methane contains one atom of carbon and four atoms of hydrogen that are chemically bonded. It is a main component of natural gas. Methane is a ___________________ .

• pure substance

• mixture

Tags

NGSS.MS-PS1-1

Chalk is a mineral found in rocks. It contains carbon, oxygen and calcium atoms. Chalk is a ___________________ .

• element

• compound

Tags

NGSS.MS-PS1-1

The noble gases are a group of six substances with similar properties. They are odorless, colorless gases with low reactivity. They are group 18 on the periodic table. Each noble gas is a(n) _______ .

• element

• compound

• heterogeneous mixture

• homogenous mixture/solution

What two types of matter are pure substances?

• elements and solutions

• compounds and mixtures

• elements and compounds

• mixtures and solutions

Mixtures that have the same composition throughout are...

• heterogeneous

• homogeneous

• elements

• pure substances

Compounds are different than elements because compounds are -

• A combination of two or more elements.
• 
  B)not able to be broken down into parts
• made from the same type of atoms
  
• a pure substance, elements are not
  

Tags

NGSS.MS-PS1-1

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

• compound

• element

• molecule

• mixture