Lesson #93:Density
Passage
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Erika Paris
Used 12+ times
FREE Resource
12 questions
Show all answers
1.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Density is the relationship between which two properties?
(a)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Density is a measure of how (large / tightly packed) the particles are in a substance.
large
tightly packed
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Density is one method used to sort plastics. Consider the chart. Choose the plastics that would float in water. (Remember, water has a density of I .00 g/ml.)
PETE
LPDE
PVC
PP
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What would the other plastics do that did not float in the water?
They would sink.
They would float.
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Water in the ocean is constantly warmed by the sun and eventually evaporates. Then it will cool and condense, releasing a great deal of energy into the air. Which two choices describe how the convection cycle of evaporation and condensation help the earth?
maintains a balance of moisture across the globe
helps to spread heat so that all areas of the earth are warmed
prevents static electricity from building up in the atmosphere
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS2-6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of these is responsible for nitrogen fixation?
animals
plants
bacteria
Tags
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of symbiosis is helpful to both organisms?
commensalisn
mutualism
parasitism
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