Write a hypothesis about the effects of magnetic and electric fields. Use the format of "if . . . then . . . because . . ." and
2 answers:
The correct answer (sample response) is:
If a magnetic or electric field is present, materials that generate these fields will interact by attracting or repelling each other because of their magnetic or electric properties.
The statement is a hypothesis about the effects of magnetic and electric fields. Use the format of "if...then...because..." and be sure to answer the lesson question: "How can magnetic and electric fields be demonstrated?"
Include the following in your hypothesis:
• The "if" part of your hypothesis refers to the presence of an electric or magnetic field.
• The "then" part of your hypothesis refers to a measurable attraction or repulsion.
• The "because" portion of your hypothesis connects the ideas of electromagnetic properties.
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Answer: We can calculate it with the radioactive half life equation
Explanation:
If we already know the initial amount of radioactive material and its half life, we can leave that material for a specific known time and then measure how much of the material is left (since it follows the radioactive deacay) and use the results in the following formula:
Where:
is the final amount of the material
is the initial amount of the material
is the time elapsed
is the half life of the radioactive compound