Simple Solutions Quiz 2 L6-10

An explanation supported by a large amount of evidence is called _____________________.

• Model
• Conclusion
• Theory
• Phenomenon

A regular and predictable series of repeating events is called ___________________.

• Theory
• Conclusion
• Inquriy
• Pattern

A good hypothesis _______________________.

• can be tested and measured
• is based on observations
• leads to investigation
• All of the above

Read the hypothesis and identify variables. Determine whether it is the independent variable (IV) or dependent variable (DV). Hypothesis: If I lower the price per glass, I will sell more lemonade. Price per glass of lemonade is which variable?

• Dependent variable
• Independent variable
• Neither

Read the hypothesis and identify variables. Determine whether it is the independent variable (IV) or dependent variable (DV). Hypothesis: If I lower the price per glass, I will sell more lemonade. Number of glasses people buy is which variable?

• Dependent variable
• Independent variable
• Neither

A cause is what makes something happen. It answers a question, such as, "Why did it happen?" In the example below, which part of the sentence states a cause? Wastewater leaked into the well; therefore the spring became contaminated.

• Wastewater leaked into the well
• therefore the spring became contaminated
• None of the above

An effect is what happens. It answers the question, such as, "What happened?" In the example below, which part of the sentence states a effect? Powerful microscopes were developed, so scientists could observe and identify pathogens

• Powerful microscopes were developed
• so scientists could observe and identify pathogens
• None of the above

Read the hypothesis and identify variables. Determine whether it is the independent variable (IV) or dependent variable (DV). Hypothesis: Running for one minute increases a person's heart rate. Heart rate is which variable?

• Dependent variable
• Independent variable
• None of the above

Read the hypothesis and identify variables. Determine whether it is the independent variable (IV) or dependent variable (DV). Hypothesis: Running for one minute increases a person's heart rate. Running for one minute is which variable?

• Dependent variable
• Independent variable
• None of the above

The ability to cause change is called ________________________.

• Property
• Energy
• Theory
• Pattern