Products and Reactants

Quiz
•
Science
•
7th Grade
•
Easy
+4
Standards-aligned
Lisa Thompson
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Number IN FRONT of reactants or products
product
reactant
coefficient
subscript
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a series of symbols and formulas that represents a chemical reaction
reactant
product
Chemical equation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The substances initially involved in a chemical reaction
Reactants
Products
Chemical Reaction
Chemical Process
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a certain chemical reaction, Reactant 1 and Reactant 2 release thermal energy. Students collect data by measuring the temperature change produced by adding increasing amounts of Reactant 2 to 25 grams of Reactant 1. They graph the data. Students must design a device that uses 25 grams of Reactant 1 and produces the maximum amount of heat with the smallest amount of Reactant 2. How much of Reactant 2 should they use to meet the criteria of the design challenge?
10 grams
15 grams
20 grams
25 grams
Tags
NGSS.MS-ETS1-1
NGSS.MS-PS1-2
NGSS.MS-PS3-3
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The substances that are yielded from a chemical reaction
Reactants
Products
Chemical Reaction
Chemical Process
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a chemical reaction, _____________________ form new substances with different properties.
Reactants
Products
Thermal Energy
Temperature
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Students are asked to design a device that uses a chemical reaction that absorbs heat energy in order to chill a beverage. The criteria for the design challenge as provided by the teacher are listed below. The chemical reaction must meet the following criteria: •Produce a drop in temperature of at least 15°C •Require no more than 50 grams total of reactants •Result in products that are not harmful •The reaction should happen in less than one minute One group of students finds that by combining 30 grams of one substance with 25 grams of another substance, they can produce a drop in temperature of 18°C in about 30 seconds. The only product of the reaction is water. This group of students need to redesign their product because they have failed to meet which of the design challenges?
Produce a drop in temperature of at least 15°C.
Require no more than 50 grams total of reactants.
Result in products that are not harmful.
The reaction should happen in less than one minute.
Tags
NGSS.MS-ETS1-1
NGSS.MS-ETS1-2
NGSS.MS-PS1-6
NGSS.MS-PS3-3
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