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7th Grade Diagnostic Test
MS 104
Instructions: Do not write on this paper. Please bubble in the correct answer on the scan
card.
1. A student wants to determine the mass and volume of a gold ring. What physical
property of the gold ring can be determined by these two measurements?
a. Melting Point
b. Density
c. Reactivity
d. Expansion Rate
Use the Diagram below to answer questions 2-3
2. Which of the following best explains how density of ice compares with the density of
water?
a. Ice is more dense than water
b. Ice is less dense than water
c. The density of ice and water are the same
d. The density of ice cannot be measured
3. An iceberg floats in water. In terms of balanced and unbalanced forces, which of the
following best explains why this occurs?
a. An iceberg floats because its weight is balanced by the buoyant force
b. An iceberg floats because its smaller than a glacier
c. An iceberg floats because its height is balanced by the buoyant force
d. An iceberg floats because it became detached from a glacier
4. Which question could be answered by undertaking a simple scientific investigation?
a. Does a river in Tasmania require a dam to be built?
b. Did birds evolve from reptiles?
c. What color of light assists the growth of lima beans?
d. Should the money for cancer research be increased?
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5. Which of the following tools is used to measure the mass of an object?
a. Triple Beam Balance
b. Metric Ruler
c. Microscope
d. Computer
6. A graduated cylinder is used to measure:
a. Mass
b. Weight
c. Density
d. Volume
7. Which of the following describes variables that stay the same in an experiment?
a. Dependent variables
b. Independent variables
c. Constants
d. Controls
8. Which of the following is a variable that is being tested in a science experiment?
a. Dependent variable
b. Independent variable
c. Constant
d. Control
9. Which word means an educated guess?
a. Theory
b. Hypothesis
c. Variable
d. Law
Use the diagram below to answer question 10
10. In the above diagram, what is the length of the paperclip to the nearest 10th of a
centimeter?
a. 2.0 cm
b. 3.0 cm
c. 2.5 cm
d. 2.2 cm
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11. The river authority has opened a new branch of the Blanco River. The rocks in the river
bed are large and rough. After many years in the river, they will become…
a. Larger
b. Smoother
c. Harder
d. Darker
12. An Earthquake occurs when the tectonic plates below Earth’s surface suddenly shift.
These shifts of the tectonic plates are caused by…
a. Movements in Earth’s core
b. Movements in Earth’s mantle
c. Deposition of sediments
d. Eruptions of volcanoes
13. When an igneous rock is changed by the actions of heat and pressure it becomes…
a. Sedimentary rock
b. Metamorphic rock
c. Neither A or B
d. Both A and B
14. The most famous line of latitude is the …
a. Prime Meridian
b. International Dateline
c. Equator
15. The only type of rock that can have fossils is…
a. Sedimentary Rock
b. Metamorphic Rock
c. Igneous Rock
Use the diagram below to answer question 16
A
B
C
16. In the above diagram, which rock layer is the oldest?
a. A
b. B
c. C
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