Scientific Investigation SOL 4.5/5.1 Review

Which unit of measure would be best used for describing the mass of one strawberry?

• Gram

• Centimeter

• Kilogram

• Meter

Which two tools would be best to measure the width and mass of a toy car?

• Thermometer and graduated cylinder

• ruler and thermometer

• ruler and triple beam balance

• pan balance and thermometer

By August, a student noticed that the sunflowers outside his house were as tall as the back door of his house.  About how tall were the sunflowers?

• 0.2 meters
• 2 meters
• 20 meters
• 200 meters

Which following statement is an inference?

• The boy is in pain.
• The boy's knee is bleeding.
• The boy has tears coming from his eyes.

Herman wants to know which surfaces will produce the most friction when a marble is rolled.  Which of the following lists could represent the independent variable?

• marble, ball, wheel
• push, pull, gravity
• increased speed, decreased speed, constant speed
• grass, wooden table, gravel

Using a testable question to speculate what the outcome of an experiment will be based on information gathered through research. It may be stated as an "if/then" statement.

• Observation
• Hypothesis
• Inference

A forecast about what will happen in a future situation based on trends in data.

• Hypothesis
• Prediction
• Observation

The part of the scientific method used to test a hypothesis

• Variables
• Data
• Experiment 

The variable in an experiment which is changed on purpose by the experimenter

• Manipulated/ Independent 
• Responding/ Dependent

The variable in an experiment which changes as a result and can be measurable

• Manipulated/ Independent
• Responding/ Dependent