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A scientist plans to find out the percent of teenagers who like science. She interviews 500 teenagers leaving a science museum and finds that 450 of them like science. The scientist concludes that 90 percent of teenagers like science. Why is the scientist’s conclusion most likely unreliable? (2 points)

Jim plans to plant coffee beans on the farm. Coffee needs warm, moist, and sunny climate. It always snows for four months, starting from November, in the location where Jim lives. The temperature is generally moderate from June to October. Based on scientific knowledge, which of these would be the best month to plant coffee? (2 points)

The diagram below shows a helium atom. The particles labeled A are called (2 points)

Four groups of students, in different parts of the world, are investigating the reason why the shape of the moon changes from time to time. If the results of their investigations are considered valid, they would most likely be (2 points)

“The force of gravity pulls all objects downwards.” Which of these statements is correct about this law of science? (2 points)

A scientific theory states that the universe is expanding. Which of these statements is correct about this theory? (2 points)

Kilogram is the SI base unit for measuring (2 points)

The diagram below shows a helium atom. The particles labeled A are called (2 points)

The table below shows two conclusions about atoms based on experiments by Rutherford and Thompson. Name of scientist Experimental Process Conclusion about atoms Rutherford Fire radioactive particles through thin gold foils and detect them on a screen The nucleus is the center of the atom with electrons revolving around it in orbits Thompson Scatter radioactive particles It is a spherical object containing electrons in a massive positive charge distribution Which of these statements best explains why Rutherford and Thompson visualized the atom differently? (2 points)

A(n) ____________ experience is accessed and perceived through our feelings that we have after viewing art of any form.