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Mathematics, 30.06.2019 05:50 eden43

Andy made the graph shown to record the observations of an experiment to study the effect of sunlight on the growth of plants. three identical plants having a height of 15 cm were used for the experiment. the first plant was kept away from sunlight, the second plant received 3 hours of sunlight, and the third plant received 5 hours of sunlight. all other growing conditions of the plants were kept constant. a bar graph titled plant growth is shown. the y axis, labeled height in centimeters, goes from 0 to 8. the x axis, labeled week, goes from 1 to 4. each week has 3 bars: no sunlight, 3 hours sunlight, and 5 hour sunlight. for weeks 1 to 4, bars for no sunlight have a height of 0.5 centimeter, bars for 3 hours have heights of 1, 2.4, 3, and 4.5 centimeters, and bars for 5 hours have heights of 2.4, 4, 6, and 7 centimeters. which step of the scientific method will most likely come next? analyze the data construct a hypothesis test with an experiment do background research question 5(multiple choice worth 1 points) (01.02 lc) what does mass measure? how dense an object is how much space an object takes up quantity of matter in an object force of gravity acting on an object question 6(multiple choice worth 1 points) (01.02 mc) the table shows the values of two quantities for an astronaut on earth and venus. astronaut's details earth venus quantity a 80 units 80 units quantity b 784 units 709.6 units which of the following names the quantity and correctly explains why that represents the astronaut's weight? quantity a, because it remains the same throughout quantity b, because it is independent of other quantities quantity b, because it changes with gravitational strength quantity a, because it measures the force acting on the astronaut question 7(multiple choice worth 1 points) (01.02 mc) which of the following will cause a decrease in an object's weight? increase in the mass of the object decrease in the mass of the object increase in the temperature of the object decrease in the temperature of the object question 8(multiple choice worth 1 points) (01.03 lc) what is mass per unit volume called? density gravity temperature weight question 9(multiple choice worth 1 points) (01.03 mc) an object has a mass of 4.9 g and a volume of 14 ml. what is the density of the object? 0.35 g/ml 2.86 g/ml 4.25 g/ml 6.86 g/ml question 10(multiple choice worth 1 points) (01.03 mc) three blocks are shown: block a has mass 3 kilograms, length 8 centimeters, height 2 centimeters, and width 1 centimeters. block b has mass 4 kilograms, length 1 centimeters, height 8 centimeters, and width 2 centimeters. block c has mass 4 kilograms, length 8 centimeters, height 1 centimeters, and width 2 centimeters. which statement is correct? block a has the greatest density. block b has the least density. the density of block a is equal to the density of block b. the density of block b is equal to the density of block c. question 11(multiple choice worth 1 points) (01.04 lc) what best defines an intensive property of a substance? a property that is observable a property that is measurable a physical property that depends on sample size a physical property that is independent of sample size question 12(multiple choice worth 1 points) (01.04 mc) george has four samples of substances: sample a: 5 kg of iron sample b: 2 kg of copper sample c: 2 kg of iron sample d: 5 kg of nickel which of the following samples have the same melting point? sample a and sample c sample b and sample c sample a and sample b sample a and sample d question 13(multiple choice worth 1 points) (01.04 hc) the diagram shows the layers formed when 10 ml each of milk, soap water, and oil were slowly poured into a glass cylinder. a tall cylinder with 3 layers is shown. the top layer is labeled oil, the middle layer is labeled soap water and the bottom layer is labeled milk. a plastic bead released gently into the cylinder settles on the layer separating the oil and soap water. what best compares the densities of the substances? milk is denser than the other liquids in the cylinder but not as dense as the bead. milk is denser than soap water, but the oil and the plastic bead are denser than milk. the plastic bead is denser than soap water and milk, but oil is denser than the plastic bead. the plastic bead is denser than oil, but milk and soap water are denser than the plastic bead. you must check the box below prior to submitting your exam! check this box to indicate you are ready to submit your exam explorer toolbox workload my folders current course: instructors monitor all areas of a student's account student e-mail accounts are to be used for flvs course-related email only and not for general introductions or spamming of people in your address book. remember to click the logoff link when you have completed your work in the course.

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