Science of Aquaponics - Test 1:Teacher's Edition
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Transcript of Science of Aquaponics - Test 1:Teacher's Edition
National Science Education Standards : Science as Inquiry : Safety
Directions: Read the text below. Use information from the text to help you answer questions 1-‐4. To demonstrate the procedure for today's experiment, Miss Hanifin collects water from three different tanks where Sacramento Blackfish are being raised. She dips a test tube in each tank, and fills it half full. Then she puts the test tube sample in the rack. After all three samples are taken, she takes one of the samples uses an eyedropper to transfer a few drops of water in the test tube to a microscope slide. 1) Which of the following could Miss Hanifin have done to demonstrate lab safety to her students?
a) run to put the test tube sample in the rack b) rub her eyes after taking a water sample from the aquarium c) labeled each test tube with the location of the tank d) wash her hands after taking water samples from the fish tanks
2) When Miss Hanifin samples water in the second fish tank, she notices a small crack in the top of the test tube. What should she do with this cracked tube?
a) throw it in the trash b) continue using it until it starts leaking water c) lay it on the table and throw it away when the lab is done d) dispose of it in a broken-‐glassware container
3) When Miss Hanifin samples water in the third fish tank, one of the Sacramento Blackfish jumps out of the tank and lands on the floor. She gently picks it up, and puts it back in the tank. What should she do about the puddle on the floor?
a) use a sponge to wipe up the puddle after she has finished making the microscope slides. b) tell others around that there is a puddle of water on the floor, and get a sponge to wipe it up. c) let the janitor clean it up after class. d) let the puddle dry up by itself (evaporation).
4) What important steps should Miss Hanifin follow when the experiment is over?
Wash all glassware. Wash hands.
National Science Education Standards : Science as Inquiry : Scientific Method
Directions: Read the questions. Choose the best possible answer. 1) Which of the following questions could a scientist try to answer through experimentation?
a) Are fish afraid of people? b) Is it easier to get fish from a stream or at the aquarium store? c) Does water temperature cause fish to grow larger? d) Do fish like to swim in fish tanks or in lakes?
2) Explanation of an observation using both data you have collected and your own knowledge is a(n)
a) inference b) fact c) hypothesis d) revelation e) conclusion
3) What measurable outcome does a scientist try to predict through experimentation?
a) an inference b) a fact c) a hypothesis d) a conclusion
4) Which item below is a component of a controlled experiment?
a) The tests are different for each sample. b) All the variables do not change except one. c) It tests a fact. d) Data does not support the hypothesis.
5) Marjorie wants to see how the number of bacteria in two drops of fish tank water changes with temperature. What is the dependent variable in this experiment?
a) volume of the fish tank b) material the fish tank is made of c) length of the eyedropper she uses d) temperature of the water
6) If a hypothesis is not supported by results of an experiment, which of the following would be the next step in a scientific investigation?
a) change the hypothesis so it is supported by results of the experiment b) present the data as proof that the hypothesis is true c) repeat the experiment until results support the hypothesis d) devise a different experiment that will support the hypothesis
7) In order for a hypothesis to be accepted as a theory, what must happen?
a) Outcome of a trial experiment supports the hypothesis. b) Outcome of three trial experiments support the hypothesis. c) Over twelve scientists from the National Science Foundation must agree with the hypothesis. d) The hypothesis must be tested by numerous trials.
National Science Education Standards : Science as Inquiry : Planning an Experiment Directions: Read the text below. Use information from the text to help you answer questions 1-‐6. Johann wants to find out if water evaporates from the aquaponics system faster outside the classroom or indoors. He set up two identical fish tanks with growing trays. Six bluegill were placed in each tank. He placed one system inside the classroom near the window, and the other outside on a sunny patio. Each day, he checked the water level of the fish tank. He did this for one month. 1) After checking the water level of the fish tank, the next step in Johann's procedure should be to ___.
a) form a hypothesis b) make a conclusion c) record the water level of each fish tank on a calendar d) make a graph of the water level of each tank over the period of one month.
2) Before staring this experiment, Johann __ that the water level of the tank outside the classroom would evaporate faster than the tank inside the classroom.
a) concluded b) hypothesized c) made a procedure d) analyzed
3) Why did Johann test an aquaponics system inside the classroom and outdoors?
a) it allowed him to change his procedure b) it allowed him to compare how the system works indoors and outdoors. c) it assisted in forming a hypothesis d) he predicted the water would evaporate faster outside.
4) During Johann's experiment, the independent variable was the ___.
a) volume of water in the fishtanks b) boiling point of water c) surroundings of the aquaponics system d) number of fish in each fishtank.
5) Describe two ways Johann can present his data to the class: Make a table or a chart. 6) In order to test evaporation rates, name other places could Johann put the aquaponics system. Any location where surroundings are different. Ex. Outside in the shade. Indoors in a closet.
National Science Education Standards : Science as Inquiry : Metric System
Directions: Read the text below, and study the photos. Use information from both to answer questions 1-‐6. One afternoon, Dana, Pat, and Tori went to the fish market. As they walked by the trays of ice and fish, they noticed some Largemouth Bass for sale. They each picked a fish, and measured it's length.
National Science Education Standards : Science as Inquiry : Metric System 1) In the picture above, what is the overall length of Pat's fish?
a) 28 cm b) 23 cm c) 21 cm d) 19 cm
2) How much longer is Dana's fish than Pat's?
a) 4 cm b) 3 cm c) 1 cm d) 2cm
3) What is the length of Dana's fish in millimeters?
a) 25 cm b) 2500 mm c) 250 mm d) 25 mm
4) What is the length of Tori’s fish in meters?
a) 20.5 m b) 2.5 m c) 0.25 m d) 0.025 m
5) Riley was there shopping with her mom, and picked up a bass too. Riley's bass is 40 millimeters smaller than Dana's. How long is Riley's bass?
a) 23 cm b) 22 cm c) 21 cm d) 20 cm
6) At the market, they all see a Silver Carp that is five times as long as Dana's fish. What is a good estimate of the length of the Silver Carp?
a) 1.2 cm b) 1.2 km c) 1.2 m d) 125 mm
National Science Education Standards : Science as Inquiry : How to Use Tools Pt.1
Directions: Use the diagram below to answer questions 1-‐6.
1) Where is the water mainly stored? Tank 2) Where is the gravel located? Growing Tray. 3) What is used to move water from the tank to the growing tray? Pump 4) What device allows water to move from the growing tray back to the tank? Drain 5) What physical force causes the water to flow back into the tank? Gravity 6) Why should the tank be covered? Any of the following: prevents fish from jumping out. Protects fish from predators. Protects people from falling in the tank. Provides shade for fish. 7) Before releasing new fish in to the system, what must be done? Any of the following: Test pH. Float bags of water/new fish in tank. 8) What is rising out of the Air Stone?
Air
National Science Education Standards : Science as Inquiry : How to Use Tools Pt.2 Directions: Read the questions. Choose the best possible answer. 1) Adrian wants 1.5mL of fish tank water for an experiment. What is the best pieces of laboratory equipment to measure this liquid?
a) beaker b) erlemeyer flask c) graduated pipet d) graduated cylinder
2) Mrs. Hill is demonstrating how to measure the mass of 25 pieces of fish food. What is one way to measure the mass of the food?
a) beaker b) spring scale c) graduated cylinder d) ruler
3) A spring scale relates the mass of an object to __.
a) its volume b) its length c) the force of Earth's gravity d) its weight
4) When Keller was measuring pH of the fish water in a test tube, the top surface of the water was not level, but curved. What is this curved surface called?
a) a convex b) a concavity c) a conversion d) a meniscus
National Science Education Standards : Science as Inquiry : Gathering Data Directions: Look closely at the two diagrams below, and answer questions 1-‐4.
1) List three differences between the two pictures. Right tank has less fish Right tank has no water flowing out of pump Left tank has bubbles coming out of air stone 2) Given your observations, what could have happened to the system in the second picture? Electricity that powers the water and air pump was turned off. Air pump and water pump are broken. 3) When working with the aquaponics system, how does performing observation help keep fish alive? No air bubbles can tell you if the fish have enough air. 4) List three observations that would tell you there is something wrong with the aquaponics system. No air bubbles coming from air stone. Dead/missing fish. Water pump not working.
National Science Education Standards : Science as Inquiry : Organize and Interpret Data
Directions: Read the text below. Use information from the text to help you answer questions 1-‐7. Sherdon wants to see how temperature of an aquaponics system changes throughout the day. Starting on Monday, she uses a Celsius thermometer to measure the temperature of the system at 8AM, noon, and at 230PM. She does this for the whole week. Her data table for the temperature readings is below.
Temperature (ºC) 8AM noon 230PM Monday 16.6 18.3 19.4 Tuesday 17.2 18.3 20 Wednesday 16.6 17.7 20 Thursday 15 16.64 17.2 Friday 15.5 15.5 16.1
1) What does the first column of data describe?
Days of the week
2) What does the second column of data describe? Temperature of the tank at 8AM 3) In this table, there are five rows of data. What does the first row of data describe? Temperature of the tank at 8, noon and 230 on Monday. 4) What does the fifth row of data describe? Temperature of the tank at 8, noon and 230 on Friday. 5) When recording a number of cells of data, why is it important to use organization? Too many variables to keep track of at once. 6) Now that the data is collected and organized, what is the next step in the scientific method? Make a chart/graph of data Analyze data 7) Using the information above, which day has the biggest difference between high and low temperatures?
Wednesday
National Science Education Standards : Science as Inquiry : Compare Data
Directions: Read the text below. Use information from the text to help you answer questions 1-‐7. Michela's school raises Bluegill, Largemouth Bass, and Channel Catfish. She wants to know which fish grows the fastest in twelve weeks, and creates an experiment. Three identical tanks and growing trays are used. All the systems are outside, and have the same temperature and surroundings. Each tank has four fish. At the end of the 12 weeks she weighs the fish. Her results are below.
Weight (g) Bass Bluegill Catfish Week 1 113.3 113.3 113.3 Week 2 116.2 113.3 119.0 Week 3 119.0 116.2 124.7 Week 4 121.9 116.2 130.4 Week 5 124.7 119.0 136.0 Week 6 127.5 119.0 141.7 Week 7 130.4 121.9 147.4 Week 8 133.2 121.9 153.0 Week 9 136.0 124.7 158.7 Week 10 138.9 124.7 164.4 Week 11 141.7 127.5 170.0 Week 12 144.5 127.5 181.4
1) Why was it important for all the systems to be outside, and have the same temperature and surroundings? Make sure the only changing factor is fish growth. 2) Given the data, what is a true statement:
a) In two weeks, Bluegill weigh more than Bass. b) In four weeks, Bluegill weigh more than Catfish. c) After six weeks, Catfish weigh less than Bass. d) After eight weeks, Bass weigh more than Bluegill.
3) What conclusion could Michela draw from this experiment?
a) In seven weeks, at this water temperature, Bass grow the fastest. b) In twelve weeks, at this water temperature, Catfish grow the fastest. c) In three weeks, at this water temperature all the fish grow at the same rate. d) From this data, no conclusion about growth rate can be made.
4) Given the data in the table, and information below, what do you think was the temperature of the water in the systems?
Bluegill. Water Temp Range: Lowest 1ºC (33.8ºF). Highest 36°C (96.8ºF) Preferred 17.8-‐21.1ºC (64-‐70ºF) Bass. Water Temp Range: Lowest 10ºC (50ºF). Highest 31ºC (87.8ºF). Preferred 26–29 °C (78.8-‐84.2ºF) Catfish. Water Temp Range: Lowest 2ºC (35.6ºF) . Highest 35ºC (95ºF). Preferred 25-‐28ºC (77-‐82ºF).
a) 20ºC b) 27ºC c) 2ºC d) 35ºC
National Science Education Standards : Science as Inquiry : Mathematics in Science Directions: Read the questions. Choose the best answer. 1) Dakota is performing an experiment that requires 3.3 oz of tank water. The laboratory only has graduated cylinders, which measure volume in milliliters. If one ounce is equal to 29mL., how many mL of liquid will Dakota need to equal 3.3 oz?
a) 86.7 mL b) 98.7 mL c) 92.7 mL d) 95.7 mL
Use the information below to answer questions 2-‐4. Angel has a rectangular glass aquarium in the lab. He will be using it to raise Sacramento Perch fingerlings. When he pours 3L of water into the aquarium, he sees the water level go up 2cm.
2) The aquarium is empty. If he adds 9L of water to the aquarium, how much will the water level rise?
a) 18 cm b) 10 cm c) 6 cm d) 4 cm
3) If it takes 75L to fill the aquarium, how tall must the aquarium be?
a) 49 cm high b) 55 cm high c) 40 cm high d) 45 cm high
4) Angel's wants to know how fast water is evaporating from his aquarium. He uses a black pen to mark the level of water in the aquarium, and plans to check the water level in five days. After five days, he sees the water level has gone down 10mm. How much water has evaporated?
a) 3.0 L b) 6.0 L c) 1.50 L d) 21.0 L
4) Quinn is using a triple-‐beam balance to measure the masses of five pieces of fish food. What is the best estimation of the fish food's total mass? Sample 1: 25.4 g Sample 2: 26.3 g Sample 3: 25.5 g Sample 4: 24.9 g
a) 120 g b) 80 g c) 90 g d) 100 g
National Science Education Standards : Science as Inquiry : Scientific Investigation Pt.1 Directions: Read the questions. Choose the best answer. A small scale aquaponics system filled with water weighs approximately 245 kg (540 lbs.) It can be located on a patio, in the back yard, or anyplace that supports its weight. Parker is considering building the system on the shaded balcony of her parents' apartment. However, she is not sure if the balcony will be able to support the weight. After the system is installed, there will be enough space left for three people to stand on the balcony. 1) Which variables will be important to her calculations?
a) Weight of the aquaponics system. b) Average weight of an adult. c) Weight of fish and plants grown in the system d) All the variables above will be important. e) None of the variables above will be important.
In order to decide on what fish to use in the balcony aquaponics system, Parker wants to find out how cold the fish tank water will get. She leaves a bucket of water on the shaded balcony overnight for a week, and checks the temperature twice a day. She records the temperature at 7AM before she goes to school, and 8PM before she starts getting ready for bed. Her data is below:
Temperature (ºC) 7AM 8PM Monday 10.5 8.8 Tuesday 10.5 9.4 Wednesday 10 9.4 Thursday 10.5 10 Friday 10 9.4
2) What is the average temperature at 7AM?
a) 10.1ºC b) 10.0ºC c) 10.5ºC d) 10.3ºC
3) The water temperature ranges of fish in California are below. Which species of fish would NOT be best for Riley's aquaponics system? a) Sacramento Blackfish. Water Temp Range: Lowest 4.44ºC (40ºF). Highest 35ºC (95ºF). Prefer 22-‐28°C (71.6-‐82.4ºF) b) Sacramento Perch. Water Temp Range: Lowest 5ºC (41ºF). Highest 29.5ºC (85.1ºF). Prefer 16-‐23°C (64.4-‐82.4ºF) c) Largemouth Bass. Water Temp Range: Lowest 10ºC (50ºF). Highest 31ºC (87.8ºF). Preferred 26–29 °C (78.8-‐84.2ºF) d) Bluegill. Water Temp Range: Lowest 1ºC (33.8ºF). Highest 36°C (96.8ºF) Preferred 17.8-‐21.1ºC (64-‐70ºF) 4) What other experiments could she do to find out how cold the fish tank water will get?
a) Use water taken from a garden hose instead of the kitchen sink. b) Do the same experiment in the shaded back yard of a friend's house. c) Do the experiment in the middle of Winter. d) Do the same experiment in the apartment.
National Science Education Standards : Science as Inquiry : Scientific Investigation Pt.2 Directions: Read the text below. Choose the best answer. At the beginning of class, Mr. Fraser puts five colored plastic buckets on top of the lab counter. One orange, one white, one blue, one green, and one black. Students fill each bucket with 3 liters of water from the lab sink and put them outside in the middle of the playground. The temperature of the water coming out of the sink is 15.5ºC. It is sunny that day. After 30 minutes they measure the temperature of water in each bucket. 1) What is an appropriate hypothesis for this experiment?
a) After thirty minutes, the temperature of water in all the buckets will be the same. b) After thirty minutes, the temperature of water in the green bucket will be 2 degrees higher than the rest. c) After thirty minutes, the temperature of water in the orange bucket will be 2 degrees lower than the rest. d) All above are appropriate hypotheses for this experiment.
After thirty minutes, Edwin measures the temperature of each of the buckets of water and puts the data in a table.
Bucket Color Temperature (ºC) Orange 17.2 White 16.5 Blue 17.2 Green 17.2 Black 18.0
2) What variable is possibly causing the temperature differences?
a) volume of water in the bucket b) temperature outside on the playground c) temperature of the water when it comes out of the tap d) color of the buckets
3) To further investigate what is causing the temperature difference, one could:
a) Repeat the experiment using five blue buckets. b) Repeat the experiment five orange buckets. c) Repeat the experiment, but put all colored buckets in a dark closet. d) Repeat the experiment, but put 20g of salt in each bucket of water.