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WorksheetsScientific Investigation 6-8th SOL Review
Total questions: 20
Worksheet time: 12mins
The line graph shows five years of data about a dog. What information does the graph show? (Click the graph to see it larger.)
How the mass of the dog changed.
How much food the dog consumed.
What kinds of food the dog consumed.
When the dog was measured each month.
What is the SI metric unit of measurement that is used to record the heat transfer of a solution in a classroom investigation?
Liter
Newton
Volt
Degree Celsius
The data table shows the results of an investigation. What information should be used for the column headings marked "X"? (Click the picture to see the diagram enlarged.)
Trial Number
Number of Seeds
Predicted value for the results.
Average of the data in each column.
A student predicts that similar ice cubes will melt faster in a microwave than in a pot on the stove. How should this hypothesis be tested?
Measure and compare the volume of the pot and the microwave.
Determine the volume of liquid water made by each ice cube.
Observe and record the time for each ice cube to completely change to liquid.
Identify and record the temperature of each ice cube before each trial.
Students conducted an investigation to determine if unknown liquids were acids or bases. What was the independent variable in this investigation?
Sample
Indicator
Color Change
Identification
If friction increases, then the rolling distance of a marble will decrease. What should be changed to best test this hypothesis?
Height of the ramp.
Height and length of the ramp.
Roughness of the ramp surface.
Height of the ramp and roughness of the ramp surface.
A student recorded the temperature of an aquarium each hours, for 8 hours. Which of these will best display the data the student collected?
Bar Graph
Circle Graph
Picture Graph
Line Graph
A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each 2 degree interval between 10°C and 30°C. Which change in the procedure would most improve the validity of conclusions based on this investigation?
Increasing the number of variables.
Decreasing the range of the independent variable.
Repeating the experiment several times.
Producing a graph of numerical observations.
Which of these represents the freezing point of water in correct SI units?
0°C
0°F
32°F
-273°C
Students measured the amount of an unknown substance that dissolved in water at different temperatures. What was the independent variable in this investigation?
Amount of substance dissolved
Unknown substance used
Water temperature
Water volume
A student measures her heart rate after each of the activities listed. based on this information, which is a constant in the student's investigation?
Equipment needed for activity
Length of activity time
Activity performed
Energy expended during activity
On a small island, scientists observed and graphed changes in wolf and moose populations. From 1965 to 1970, which data pattern did scientists observe?
A drop in wolf population and a drop in moose population.
An increase in wolf population and a drop in moose population.
A drop in wolf population and in increase in moose population.
An increase in wolf population and an increase in moose population.
Which would be the best tools to measure the density of an unknown object? D=m/v
A barometer and a balance.
A temperature probe and a 500 mL beaker.
A metric ruler and a metal detector.
A graduated cylinder and a balance.
Students plan to use several rain gauges to compare average monthly rainfall on Virginia's Costal Plan and Piedmont regions. Which of these variables should be manipulated?
Height of the gauge.
Size of the gauge.
Brand of the gauge.
Location of the gauge.
In an experiment, Jackson tested to see how the size of rocks affects the amount of dirt that washes away when water flows downhill. Which variable was manipulated?
Amount of water
Slope of the hill
Size of the rocks
Type of dirt
To find out which soil absorbs moisture the best, each container shown must −
be made of a different material.
have soil from the same place.
be tested by the same person.
contain the same amount of soil.
Which of these is an observation about grasshoppers that a science class could have made on a nature walk?
The grasshoppers will live longest in a container filled with plants.
The grasshoppers are green with long legs and antennae.
The grasshoppers will probably eat more grass than leaves.
The grasshoppers all hatched from eggs laid the year before.
Students collected pond water in their beakers. Which is the best unit of measurement for the volume of water they collect?
Grams
Meters
Milliliters
Centimeters
A student designed an investigation to test the effect of light color on plant growth. What is the dependent variable in the investigation?
Color of the light bulb.
Height of the plant.
Hours of light.
Size of the pot.
Which properties listed below are quantitative?
Gold color
Mass of 20.5g
Feels smooth to the touch.
4 cm long.
10°C
