earth science 1 help

 Which of the following studies would require a scientist to have extensive knowledge in geology, meteorology, and astronomy? 

Save

 Question 2 (1 point)  If a scientist is studying whether there are tornadoes on planet Venus, what areas of earth science are involved? Save Question 3 (1 point)  A scientist with extensive knowledge in the areas of astronomy and meteorology would be best suited to study which of the following? Save Subsection Question 4 (1 point)  Oceanography formally began as a discipline in the 1800s with studies by Save Question 5 (1 point)  Which earth science area has its formal beginning in the 1800s with studies by Darwin, Cook, and Thompson? Save Question 6 (1 point)  Which earth science area was involved in producing the first calendars? Save Subsection Question 7 (1 point)  A scientist who investigates how to generate electricity from the ocean’s tides would most likely study Save Question 8 (1 point)  A scientist who examines dinosaur fossils to understand what they ate would most likely study Save Subsection Question 9 (1 point)  Which planet is the appropriate distance from the Sun to have liquid water? Save Question 10 (1 point)  Which of the following is true concerning planet Earth? Save Subsection Question 11 (1 point)  Which of the following is true concerning Venus? Save Question 12 (1 point)  Which of the following is one reason Venus can NOT sustain life? Save Question 13 (1 point)  What characteristic of Mars leads scientists to believe it may have once sustained life? Save Subsection Question 14 (1 point)  Which of the following is NOT an example of technology in medicine? Save Question 15 (1 point)  Which of the following is an example of technology? Save Subsection Question 16 (1 point)  Which of the following is true concerning technology? Save Question 17 (1 point)  Which of the following is an example of a positive effect of technology on childhood obesity? Save Subsection Question 18 (1 point)  Which of the following statements is NOT true concerning the scientific method? Save Question 19 (1 point)  When you perform an experiment, you are completing which step of the scientific method? Save Question 20 (1 point)  Generally, the first step of the scientific method is Save Subsection Question 21 (1 point)  A well-tested concept that explains a wide range of observations is known as a(n) Save Question 22 (1 point)  Which of the following is NOT true concerning laws? Save Question 23 (1 point)  Which of the following is true concerning scientific theories and laws? Save Subsection Question 24 (1 point)  Which of the following is NOT true concerning models? Save Question 25 (1 point)  Which of the following is true concerning models? Save Subsection Question 26 (1 point)  You have completed an experiment to test the hypothesis: “If plant growth is dependent on nitrogen, then plants given more nitrogen will grow faster.” You tested three sets of plants: set one received zero parts per million (ppm); set two received five ppm; set three received 10 ppm. Each set contained five plants. You watered each plant once a week for four weeks. You looked at plant height to determine if your hypothesis was supported. You represented the results in the bar graph below.What was the control group? Save Question 27 (1 point)  You have completed an experiment to test the hypothesis: “If plant growth is dependent on nitrogen, then plants given more nitrogen will grow faster.” You tested three sets of plants: set one received zero parts per million (ppm); set two received five ppm; set three received 10 ppm. Each set contained five plants. You watered each plant once a week for four weeks. You looked at plant height to determine if your hypothesis was supported. You represented the results in the bar graph below.Which of the following changed as a result of the different levels of nitrogen treatment? Save Question 28 (1 point)  You have completed an experiment to test the hypothesis: “If plant growth is dependent on nitrogen, then plants given more nitrogen will grow faster.” You tested three sets of plants: set one received zero parts per million (ppm); set two received five ppm; set three received 10 ppm. Each set contained five plants. You watered each plant once a week for four weeks. You looked at plant height to determine if your hypothesis was supported. You represented the results in the bar graph below.Suppose you had a fourth set of plants that received 2 ppm of nitrogen, which of the following is the best prediction for the growth of the fourth set of plants? Save Subsection Question 29 (1 point)  You notice that in your house, some of the houseplants grow faster than others. Which of the following is the best hypothesis for this phenomenon? Save Question 30 (1 point)  Suppose you ask yourself the question “Does chocolate cause pimples?” which of the following would be the best hypothesis for this question? Save Question 31 (1 point)  In the hypothesis – “If plant growth depends on certain wavelengths of light, then plants exposed to blue light will grow faster than plants in sunlight” – what is the independent variable? Save Subsection Question 32 (1 point)  The materials and methods for the “Colored Carnations” lab are below. Read through them and then answer the following question.Materials needed:Three white carnationsThree vasesBlue and red food coloringWaterProcedure:Step 1: Fill each vase with 100 milliliters (mL) (about ½ cup) of water.Step 2: In one vase, add 20 drops of blue food coloring.Step 3: In a different vase, add 20 drops of red food coloring.Step 4: With scissors, cut each carnation stem at the bottom at an angle.Step 5: Place one flower in each vase so that the cut part of the stem is fully submerged in the water.Step 6: Create a table and record your observations every two hours.Which of the following is a material needed that is not listed in the “Materials needed” section? Save Subsection Question 33 (1 point)  The Kelvin is the SI unit used to measure Save Question 34 (1 point)  Which of the following is the SI unit for electric current? Save Subsection Question 35 (1 point)  Which of the following would you use a gram to measure? Save Question 36 (1 point)  If you were to measure the mass of a person, which SI measurement would you use? Save Subsection Question 37 (1 point)  Perform the following conversion: 50 degrees Celsius = _______ Kelvin. Save Question 38 (1 point)  You need to know if a block of wood will float in water. What measurements would you take to determine this? Save Subsection Question 39 (1 point)  The measure of the amount of matter an object has in it is known as Save Question 40 (1 point)  Which of the following is the best definition of weight? Save Subsection Question 41 (1 point)  What happened in 1999 when NASA lost a $125 million dollar orbiter sent to study Mars’ climate? Save  
Earth Science