Mixtures & Law of Conservation

Identify which images are PURE SUBSTANCES! (Check all that apply) : )

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Tags

NGSS.MS-PS1-1

Ms. Powers made Kool-Aid for her classes. The sugar and powder mixture was the​ (a)   . The water was the ​ (b)   . The Kool-Aid was the ​ (c)  

• solute
• solvent
• solution
• equation
• salt
• solve

Water is the universal ____.

• solute

• solvent

• solution

A ​ (a)   mixture can you see all of the parts.

If the mixture is evenly mixed than it​ is a (b)   .

• heterogenous
• homogenous
• element
• compound

Elements and compounds are always ___.

• pure
• mixed

Which list is made of mixtures?

• soil, vitamin water, soup

• carbon dioxide, soil, soup

• salt, water, air

• atoms, cereal, pizza

Which of the pictures represents a mixture?

Which picture represents a compound?

Tags

NGSS.MS-PS1-1

Anthony is performing an experiment. He adds 0.25 grams of baking soda to 5 grams of water and stirs. Anthony watches as the baking soda dissolves in the water. If Anthony weighs the water and baking soda solution, what will its mass be?

• 4.75 grams

• 5.25 grams

• 5.0 grams

• 7.5 grams

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Matter can not be created nor destroyed: it can only be

• Destroyed a little bit

• Invisible

• Transformed, changed

• None of the above

Tags

NGSS.MS-PS1-5