
Unit 1: Chemistry of Life Concept Check
Authored by Meaghan Vollers
Science
9th Grade
NGSS covered
Used 1+ times

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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water molecules are polar covalent because__.
There is an even pull on electrons
There is an uneven pull on electrons
Water is neutral
Water acts like an acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A plant uptakes water through capillary action when the _____ overcomes gravity.
Cohesive attraction between water molecules
Adhesive attraction between water molecules
Cohesive attraction between the water and plant
Adhesive attraction between the water and plant
Tags
NGSS.MS-ESS2-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water is considered a universal solvent because ___ .
The polarity of water allows polar molecules to dissolve and nonpolar molecules to suspend.
The polarity of water allows nonpolar molecules to dissolve and polar molecules to suspend.
Water can absorb other chemicals
Water is used everywhere.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT part of the cell theory.
All cells come from other cells
All cells contain a nucleus to house DNA
Cells are the smallest unit of life
All living things are made up of one or more cells
Tags
NGSS.MS-LS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A microscope is used ____.
To view extremely large items
To magnify extremely small objects
The scrape off the tissue layers of muscles
To take pictures of organisms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In our science classroom, we use a ____.
Electron Scanning microscope
Electron Transmission microscope
Compound Light microscope
Compound Hand Lens
7.
MATCH QUESTION
1 min • 5 pts
Write the macromolecule next to the function being described.
Nucleic Acids
Enzymes, start or increase chemical reactions in cells:
Proteins
Stores genetic information:
Carbohydrate
Chemical Messengers in and between cells:
Proteins
Used for long term storage of energy:
Carbohydrates
Used for structural supports in plants
Tags
NGSS.MS-LS1-7
NGSS.MS-LS3-1
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