Unit Test

Quiz
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Phospholipids have a -
nonpolar head and a nonpolar tail.
polar head and a polar tail.
nonpolar head and a polar tail.
polar head and a nonpolar tail.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of these best explains why a freshwater aquarium would be a dangerous habitat for saltwater (ocean) fish?
The cells of the saltwater fish would gain too much water.
The cells of the saltwater fish would absorb too much acid.
The cells of the saltwater fish would produce too much protein.
The cells of the saltwater fish would use too much energy.
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The cell membrane is selectively permeable, which means...
All materials can enter and leave the cell
Certain things can enter while others cannot
The cell manually sorts through all materials
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Ideally, your cells should be in a(n) _______ solution to maintain equilibrium.
isotonic
hypertonic
hypotonic
isometric
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
____ is the molecule that provides energy for active transport.
DNA
ADP
ATP
RNA
Tags
NGSS.MS-LS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If the diagrams show the particles of a single substance, which of the states in the diagram represents a liquid?
State A
State B
State C
State A and B
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The arrow labeled #4 in the diagram represents which phase change?
Melting
Freezing
Evaporating
Depositing
Tags
NGSS.MS-PS1-4
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