Scientific Investigation

Which scientific instrument is more accurate in measuring the volume of a liquid?

• Beaker

• Graduated Cylinder

• Triple Beam Balance

• Thermometer

Which scientific instrument will provide the most accurate measurement of 87 milliliters of water?

• 200 mL graduated cylinder

• 100 mL beaker

• 100 mL graduated cylinder

• 200 mL beaker

What is the variable that I, the scientist, change in an experiment?

• Independent Variable

• Dependent Variable

• Constant Variable

• Varying Variable

What is the variable that changes as the result of the experiment?

• Independent Variable

• Dependent Variable

• Constant Variable

• Varying Variable

In writing a hypothesis, which variable follows the word "IF"?

• Independent Variable

• Dependent Variable

• Constant Variable

• Varying Variable

In writing a hypothesis, which variable follows the word "THEN"?

• Independent Variable

• Dependent Variable

• Constant Variable

• Varying Variable

Read the hypothesis: "If nonrenewable energy resources are used to power a light, then wind energy will be the most efficient."

Identify the independent variable

• Amount of energy used

• Brightness of the light

• Amount of wind energy

• Type of energy resources

Read the hypothesis: "If nonrenewable energy resources are used to power a light, then wind energy will be the most efficient."

Identify the dependent variable

• Amount of energy used

• Brightness of the light

• Amount of wind energy

• Type of energy resources

Read the hypothesis: "If I test the amount of water paper towels can absorb, then SoakedUP paper towels will absorb the most water."

Identify the independent variable

• Amount of water absorbed

• Brand of paper towels

• Type of stopwatch

• Number of triple beam balances

Read the hypothesis: "If I test the amount of water paper towels can absorb, then SoakedUP paper towels will absorb the most water."

Identify the dependent variable

• Amount of water absorbed

• Brand of paper towels

• Type of stopwatch

• Number of triple beam balances