In your own words, explain how background noise detected in space provides evidence for the Big Bang Theory. (3 points)

Earth’s magnetic field is generated by (2 points)

Where would negatively charged particles be most likely found in an atom? (2 points)

Scarlett has five equally massed pieces of lead, each weighing 400 grams. What is the total mass of the five pieces of lead? (2 points)

Soil erosion due to rainfall is an example of interactions between the geosphere and (2 points)

The graph below plots the temperature and luminosity of stars on the main sequence. Which of these stars had an initial mass greater than the initial mass of the sun? (2 points)

Timothy made the model shown below to represent the steps in the formation of a tornado. © 2010 FLVS Which of these best fits the empty cell in Timothy’s model? (2 points)

A hypothesis can be formed by making use of scientific knowledge and (2 points)

Biological evolution explains how complex life forms (2 points)

One meteorologist believes that global warming has caused a significant change in the global weather pattern. One biologist believes that global warming has not made any significant change in the global ecosystem. Which of these statements best explains why the meteorologist and biologist have different views on global warming? (2 points)