Jose found four turtle eggs sitting in the grass in his backyard. He plans to take them to a nature center near his house where a scientist will help them. Jose needs to design a closed container to transport them to the nature center. Two important criteria are that the eggs must be kept warm—at a temperature between 27–32 degrees Celsius (C), and the eggs must be protected so the shells do not break. Jose wants to put a packet around the eggs that meet both criteria. He sets up three different possible combinations of water, calcium chloride, and baking soda in three different sandwich bags. Each bag represents a possible design for a packet. All three bags sit for the same amount of time.
Which design should Jose choose?

Enzymes affect the reactions in living cells by changing the

What does the symbol (–hfus) indicate in a phase change?

98 points you will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. before you conduct your experiment, you need to form a hypothesis. a hypothesis is a prediction of what you think will happen in the experiment. the hypothesis is a statement that describes “if” a certain set of circumstances are present “then” there will be a specific result that will occur. record your hypothesis here: record the results from step one of the experiment (dropping the objects in the air): first trial: second trial: third trial: record the results from step two of the experiment (dropping the objects in a vacuum): first trial: second trial: third trial: did the experiment support your hypothesis? using the data from your experiment, describe why you believe your hypothesis was either proven or disproven. what forces were acting on the objects dropped in the air? what force was acting on the objects dropped in the vacuum? part two: comparing forces choose two forces and compare and contrast these forces. you must provide two ways that they are alike and two ways that they are different. you may make a list, write in paragraph form, or make a chart. choose two forces and compare and contrast these forces. these must be different forces than used in the prior question. provide two ways that they are similar and two ways that they are different. you may make a list, write it out, or make a chart.