Unit 1 - Practice Quiz

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

The variable that is being tested or changed

• independent variable

• dependent variable

• controlled variable (constants)

The variable that is being measured

• independent variable

• dependent variable

• controlled variable (constants)

What is the dependent variable?

• what we are changing or testing
• what we are observing or measuring
• what we are keeping the same to make the experiment fair

What is the independent variable?

• what we are changing or testing
• what we are observing or measuring
• what we keep the same to make the experiment fair

What is the formula for Density?

• Density * Volume

• Mass/Density

• Mass/Volume

What is the formula for Volume?

• Density * Volume

• Mass/Density

• Mass/Volume

What is the formula for Mass?

• Density * Volume

• Mass/Density

• Mass/Volume

Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm³. What is the density of the rock?

• 7 g/cm3

• 7 mL

• 1/7 g/cm3

• 28 g/cm3