Cast Science

Quiz
•
Science
•
8th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leah records properties of the substances she mixed before and after the trials. Which property or properties show that a chemical reaction occurred?
State of matter ONLY
Mass
Color ONLY
Both state of matter and color
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leah made a model of the reaction between Iron and Copper Sulfate. However, it needs improvements. Which statement best describes which improvements need to be made?
The mass of the reactants does not equal the mass of the products.
The number of atoms for the reactants is different than the products
The number of atoms for the reactants is the same as the products
The composition of atoms for the reactants is different than the products
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to this model, what are the products made from the chemical reaction?
Fe
CuSO4
Cu
FeSO4
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leah combined Fe and CuSO4 and measured the masses before and after a reaction. What is the total mass of the reactants?
96 grams
25 grams
71 grams
192 grams
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leah combined Fe and CuSO4 and measured the masses before and after a reaction. What is TRUE about the total mass of the reactants and the total mass of the products?
They are the same (96 grams)
They are different
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leah conducts an investigation by mixing Fe with CuSO4 and makes a model to help explain why the total mass did not change. Leah's model can also be used to show that a chemical reaction occurred because the products
are the same size as the reactants
have the same composition as the reactants
are at different states of matter compared to the reactants
have differently arranged atoms compared to the reactants
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to this model, is the chemical reaction balanced?
Yes
No
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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