Fall Final Exam 2023-24

Match the following

• Experiment

• Step 5

• Question

• Step 3

• Hypothesis

• Step 4

• Data

• Step 2

• Analyze

• Step 1

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

What is a factor that changes because of what the experimenter does?

• Dependent Variable
• Independent Variable
• Control Group
• Hypothesis

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

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, the independent variable is ...

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

Attractions between different water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

What is the attraction between molecules of different substances?

• Adhesion
• Suspension
• Cohesion
• Solution