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