Grade 8 Exam Review - Density
Authored by Mary-Ellen Wilcox
Physics, Other Sciences
6th - 8th Grade
NGSS covered
Used 1K+ times
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This quiz focuses on density as a fundamental physics concept, specifically targeting grade 8 students preparing for comprehensive review. The questions systematically build understanding from basic measurement tools and the density formula (density = mass ÷ volume) to practical calculations and comparative analysis. Students need solid foundational skills in mathematical computation, unit conversion, and proportional reasoning to successfully solve multi-step density problems. The assessment evaluates conceptual knowledge of states of matter and their relative densities, measurement techniques using laboratory tools like balances and graduated cylinders, and the ability to apply the density formula across various contexts including rocks, everyday objects, and geometric shapes. Students must demonstrate proficiency in interpreting data from visual representations, ordering substances by density values, and performing calculations that require rounding to appropriate significant figures. Created by Mary-Ellen Wilcox, a Physics teacher in Canada who teaches grades 6 and 8. This comprehensive review quiz serves multiple instructional purposes throughout the density unit, functioning effectively as a diagnostic tool at the beginning of instruction, formative assessment during learning, or summative review before major examinations. Teachers can deploy individual questions as warm-up activities to activate prior knowledge or assign the complete quiz as homework to reinforce classroom learning. The varied question formats support differentiated instruction and help identify specific areas where students need additional support, particularly in mathematical applications of scientific concepts. This assessment aligns with NGSS MS-PS1-2 (analyzing and interpreting data on properties of substances) and supports the development of scientific practices including mathematical thinking and data analysis that are essential for middle school physical science success.
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16 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The tool used to measure the mass of a substance or object is a ______________.
balance/scale
graduated cylinder
ruler
thermometer
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the volume of Object X?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Put the liquids in order from most dense to least dense?
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which liquid is the least dense?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which box has a higher density?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In general what is the most dense form of matter?
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