Scientific Investigations Review

What equipment would a scientist most likely use to measure the volume of a liquid?

• Graduated cylinder
• Triple beam balance
•   Ruler
• Electron microscope

Which variable do "I" change intentionally?

• Independent variable
• Dependent variable
• Constant

Which variable may change and probably will change in the experiment, but "I" don't change it?

• Independent variable
• Dependent variable
• Constant

A statement that uses "If"....."then" is called a -

• observation
• conclusion
• prediction
• hypothesis

What is happening to the temperature in New York City?

• It is remaining about the same.
• It is mostly decreasing.
• It is mostly increasing.
• There is a pattern of increasing and decreasing.

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.

• an dependent variable
• an independent variable
• a control
• constants

The number of apples in this basket is ______________________ data?

• quantitative
• qualitative
• independent
• dependent

Which of the following hypotheses is written correctly?

• Frozen tennis balls will not bounce as high.
• If I heat up a tennis ball it will bounce high.
• If I freeze a tennis ball, then it will not bounce as high.
• If a tennis ball is frozen, then it won't bounce as high as one that is not frozen.

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.

Which is the manipulated variable?

• Dependent Variables
• Constant Variable
• Control Variable
• Independent Variable