Understanding Control and Variables in Experiments

Flashcard
•
Science
•
10th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What are hydrogen bonds?
Back
Hydrogen bonds are weak attractions between a hydrogen atom and an electronegative atom.
2.
FLASHCARD QUESTION
Front
What are the three atoms that make up water?
Back
Two hydrogen atoms and one oxygen atom.
Tags
NGSS.MS-PS1-1
3.
FLASHCARD QUESTION
Front
What are the elements of nucleic acids?
Back
Phosphate group, sugar, nitrogenous bases.
4.
FLASHCARD QUESTION
Front
What is polarity?
Back
Polarity is the property of a molecule that describes the distribution of electrical charge, leading to positive and negative ends.
5.
FLASHCARD QUESTION
Front
What are the 2 parts of phospholipids?
Back
A hydrophilic head and two hydrophobic tails.
6.
FLASHCARD QUESTION
Front
What is a variable in an experiment?
Back
A variable is any factor, trait, or condition that can exist in differing amounts or types.
Tags
NGSS.MS-PS2-2
7.
FLASHCARD QUESTION
Front
What is the difference between independent and dependent variables?
Back
The independent variable is the one that is changed or controlled in a scientific experiment, while the dependent variable is the one that is measured or affected.
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