SOL 5.1 Unit Test

A hypothesis is a/n ______________________,

• Testable prediction
• Scientific law
• possible answer to a question
• educated guess

The process of gathering information through the senses is called ________________________.

• Inferring
• conclusion
• observation
• analyzing

A factor that can be controlled or changed by the experimenter is the _______________________.

• Constant
• hypothesis
• Dependent variable
• independent variable

Which of these is needed to measure the mass of a rock?

• An anemometer
• A balance
• A barometer
• A metric ruler

The length of an adult human footprint would be closest to 20

• millimeters
• centimeters
• meters
• decameters

Sandy grows roses along her walkway. The roses close to the street had more blooms than the roses close to the house. Which statement is a hypothesis Sandy could make about her roses?

• There were many blooms on the roses near the house and fewer blooms on the roses closest to the street.
• The roses closest to the street had more blooms because they received more sunlight.
• The roses near the house were taller but had fewer blooms.
• The roses close to the house had fewer blooms and leaves.

Based on the picture below, which of these is a conclusion rather than an observation?

• A. This animal has hair.
• B. This animal is standing.
• C. This animal has four legs.
• D. This animal is a mammal.

The difference between the highest and the lowest grades recorded on the line graph is _____.

• 163
• 19
• 23
• 4

Hikers found a tree that has large brown cones, and single, sharp needles. Use the dichotomous key to classify the tree. What kind of tree is it?

• Juniper
• Pine
• Spruce
• Fir

A _____ is used to measure volume.

• graduated cylinder
• pan balance
• meter tape
• stopwatch