7th Grade Science Comprehensive Flashcard
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a reactant in a chemical equation?
Back
A reactant is a substance that undergoes a chemical change in a reaction. In the equation 2NaHCO3 -> Na2CO3 + CO2 + H2O, NaHCO3 is the reactant.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What are the horizontal rows on the periodic table called?
Back
The horizontal rows on the periodic table are called periods.
3.
FLASHCARD QUESTION
Front
Which subatomic particle has a positive charge?
Back
The proton is the subatomic particle that has a positive charge.
4.
FLASHCARD QUESTION
Front
What heats up faster, land or water?
Back
Land heats up faster than water.
Tags
NGSS.MS-ESS2-6
5.
FLASHCARD QUESTION
Front
What is the relationship between carbon dioxide levels and Earth's surface temperatures?
Back
Higher carbon dioxide levels mean more heat is retained in Earth's atmosphere, leading to increased surface temperatures.
Tags
NGSS.MS-ESS3-5
6.
FLASHCARD QUESTION
Front
What is the definition of a proton?
Back
A proton is a positively charged subatomic particle found in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is the definition of a neutron?
Back
A neutron is a subatomic particle found in the nucleus of an atom that has no charge.
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