OpenSciEd 7.2- 8th Grade
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+9
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases energy, usually in the form of heat, and feels hot to the touch.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-5
2.
FLASHCARD QUESTION
Front
What ingredient in Cup B increases the release of thermal energy compared to Cup A?
Back
60mL more chemical Y for Cup B compared to Cup A.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
3.
FLASHCARD QUESTION
Front
What ingredient is likely added to Cup E to create foaming and more heat compared to Cup D?
Back
Liquid dish soap.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
4.
FLASHCARD QUESTION
Front
What is step 5 of the engineering design process?
Back
Use data gathered during testing to identify the characteristics that worked the best.
Tags
NGSS.MS-ETS1-3
NGSS.MS-ETS1-4
5.
FLASHCARD QUESTION
Front
What is the purpose of venting a flameless heater?
Back
To prevent the build-up of gas and an explosion from happening.
6.
FLASHCARD QUESTION
Front
What is thermal energy?
Back
Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in a substance.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-3
NGSS.MS-PS3-4
7.
FLASHCARD QUESTION
Front
What is the difference between an endothermic and exothermic reaction?
Back
An endothermic reaction absorbs energy and feels cool to the touch, while an exothermic reaction releases energy and feels hot.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-3
NGSS.MS-PS3-4
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