Which of these is a part of the biosphere? (2 points)

A student did an experiment with two identical plants, Plant 1 and Plant 2. About 10 mL fertilizer was added to both plants. About 200 mL of water was added to each plant every day. Plant 1 was placed under a desk lamp for 3 hours every day and Plant 2 was placed under the desk lamp for 8 hours every day. The height of the plants was recorded over a period of 5 weeks in the table shown below. Week Height of Plant 1 (in inches) Height of Plant 2 (in inches) 1 12.6 12.6 2 12.9 13.8 3 13.6 14.9 4 13.8 15.7 5 13.9 16.6 Based on the table, which of these conclusions is correct? (2 points)

Kate plans to start a winter garment store. The market conditions suggest that the best time to start a winter garment store is between October and February. She would earn the best profit during the first six months of the year. Based on scientific knowledge and trends, which of these would be the most favorable month for Kate to start her store? (2 points)

An amusement park has recently been constructed along the coast, increasing automobile traffic in the area. What is the impact of the increased traffic in the area on oceans? (3 points)

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

Which of these statements is correct about a theory? (2 points)

Avoiding bias, increases reliability and is important to experimental data. A scientist is investigating the cause of contamination of well water at a specific location. Four residents of the location responded to questions asked by the scientist. The chart below shows their responses. Questions Resident 1’s answer Resident 2’s answer Resident 3’s answer Resident 4’s answer Do you work at the gas station near the well? No Yes No Yes Does anyone in your family work at the gas station? No No Yes Yes Have you observed any change in the quality of well water? Yes No Yes Yes Which of these residents is most likely to provide reliable information? (2 points)

When a majority of scientists worldwide agree on a common explanation to a problem, the explanation is called a (2 points)

A scientific idea becomes valid when it is (2 points)

One group of students is investigating the properties of the bar magnet shown below. The students took a bowl of iron nails, plastic pieces, wood shavings, and paper pieces. The bar magnet was placed inside the bowl for some time and then taken out. Several iron nails were stuck on the bar magnet. The experiment was repeated by several students using different bar magnets. Based on the investigations, which of these theories would the students most likely propose? (2 points)