Earth Science Bell Ringer 1

Answer using a complete sentence: Which is the largest body of water on Earth?

A. Pacific Ocean B. Atlantic Ocean

What percent of the world’s population live in the United States? A. 6% B. 12% C. 18% D. 24%

Earth Science Bell Ringer 2

SpongeBob and Patrick love to go jellyfishing. They wondered if a new brand of jellyfish bait would help them catch more jellyfish. To test their idea, they bought a big container of bait for their next 3 trips to their top-secret fishing spot. SpongeBob fished without any bait, while Patrick used the new bait. Both of them kept track of how many jellyfish they caught in 30 minutes.

What is the question/problem and the dependent variable?

What is the Hypothesis and the independent Variable?

Remember to respond in complete sentences and date your response!

Earth Science Bell ringer 3

Obtain a text book from the cart. Using pages 730 and 731 find and write the explanations for the following terms.1. Independent/Manipulated variable2. Dependent/Responding variable3. Control variables

Earth Science Bell ringer 3 Responses:

1. The factor that scientists purposely change is called Independent or Manipulated variable.

2. The factor that may change because of the manipulated variable and scientists want to observe is called the Dependent or Responding variable.

3. The factors that scientists purposely keep the same are called Control variables.

Earth Science Bell ringer 4

What variables can be found in the Purpose or Question of an experiment and the Hypothesis?

Why are Control Variables important in an experiment?

Remember to answer in complete sentences!

Earth Science Bell ringer 4Responses

The independent and dependent variables can be found in the question and hypothesis of an experiment

Control variables are important because they make an experiment “fair”.