Elements, Compounds, and Mixtures
Science
8th Grade
NGSS covered
Used 105+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When salt is dissolved in water, it becomes a ______ mixture.
element
compound
homogeneous
heterogeneous
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gold (Au)
Element
Heterogenous Mixture
Homogeneous Mixture
Compound
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Match the following:
An Element is made of ____ atom (s).
TWO OR MORE
NO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a HETEROGENEOUS MIXTURE?
H2O (Water)
Dr. Pepper
vegetable soup
Iron (Fe)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a COMPOUND?
Hydrogen Sulfide Gas (H2S)
Solid Iron Metal (Fe)
Salad
Air
Tags
NGSS.MS-PS1-1
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