Friday 3-10:
Pick your answer from the following and explain WHY you chose that answer. 1.) Which would least likely have an impact on global climate changes? A.) producing energy using hydroelectric plants B.) producing energy using coal C.) producing energy using oil D.) producing energy using natural gas 2.) Which is an example of a renewable energy resource? A.) biomass B.) coal C.) gas D.) uranium Which is most likely the cause of the decline in measles cases from 1980 to 1990? Thursday 3-9: 1.) Name 2 renewable RESOURCES. 2.) Name 2 non-renewable RESOURCES. 3.) Name 2 renewable ENERGY SOURCES. 4.) Name 2 non-renewable ENERGY SOURCES. Wednesday 3-8: 1.) Why will we have to use renewable energy sources in the future? 2.) Which energy source are you the most confused about? What is confusing about it? Monday 3-6: 1.) What is the pathogen that causes lyme disease? 2.) Describe the difference between a vector and carrier.
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1.) Explain why phytoremediation can't clean groundwater pollution.
2.) Draw the Bohr model below. A.) Name the P.E.N. B.) How many valence electrons? Thursday 2-16:
A.) Name 5 viral diseases. B.) Name 3 bacterial diseases. C.) Name 1 illness causes by a parasite. Wednesday 2-1
Answer the following and explain WHY you believe your answer is correct. 1.) After a chemical reaction occurs in an open test tube, measurements indicate that the mass of the reactants is greater than the mass of the products remaining in the test tube. What most likely explains the measurements? A.) a gas was produced B.) a solid was produced C.) the salinity of the reactants was high D.) the temperature of the reactants was low Tuesday 1-31 Which pair of elements has the most similar properties? A.) Li and B C.) K and He B.) I and Ca D.) N and P 2.)If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A 12 atoms of carbon B 6 atoms of carbon C 3 atoms of carbon D 2 atoms of carbon Monday 1-30
2. Which best determines the health of a lake used as a source of freshwater? A its depth and width B its temperature and pH C its location and depth D its temperature and depth Monday 1-23
A.) CaCl2 + Na2CO3 --> CaCO3 (s) + 2 NaCl (aq) B.) AgNO3 + Ni → Ni(NO3)2 + Ag For each reaction above: 1.) Copy down the reaction on to your paper. 2.) Name the type of reaction. 3.) Label the reactants and products. 4.) List and count the elements on each side. 5.) State if the equation is BALANCED or UNBALANCED. Thursday 1-12 Pick your answer and explain WHY you picked that answer.
1.) If a body of water has high turbidity levels, what can most likely be concluded? A It has a low pH. B It is unsafe to drink. C It is too hot to drink. D It contains a lot of chemicals 2.) Which pair of elements has the most similar properties? (Hint: Look at periodic table!) A Li and B B I and Ca C K and He D N and P Friday 1-6: PICK AN ANSWER AND EXPLAIN WHY YOU CHOSE IT! 1.)Which is evidence that elements can combine to form new compounds? A melting a solid B freezing a liquid C moving a piece of metal with a magnet D pouring two liquids together to create a solid 2.) In the United States, which is responsible for ensuring the safety of the country’s drinking water? A Environmental Protection Agency (EPA) B Food and Drug Administration (FDA) C National Oceanic and Atmospheric Administration (NOAA) D Center for Disease Control (CDC) Thursday 1-5: PICK AN ANSWER AND EXPLAIN WHY YOU CHOSE IT! 1.) An ice cube is put into a heated pan. What will most likely happen to the molecules in the ice as the ice is heated? A The molecules will begin to move slower. B The molecules will begin to move faster. C The molecules will begin to increase in density. D The molecules will begin to condense in the air. 2.) Which shows one example of a physical change and one example of a chemical change? A boiling water and melting wax B rusting iron and baking a cake C dissolving powder and shredding paper D freezing water and burning coal Wednesday 1-4: PICK AN ANSWER AND EXPLAIN WHY YOU CHOSE IT! 1.) What happens to water molecules during the boiling process? A They move faster and move farther apart as they absorb heat. B They move faster and remain close together as they absorb heat. C They move more slowly but move farther apart as they lose heat. D They move faster and move farther apart as they lose heat. 2.) Why is water from an aquifer more likely to be cleaner than water from other sources? A because it forms where fresh and salt water meet B because it receives water directly from precipitation C because it rises to the surface near the ocean D because pollutants are filtered by rock and soil deep within Earth Tuesday 1-3: PICK AN ANSWER AND EXPLAIN WHY YOU CHOSE IT! 1.) Which is the best example of a pure substance? A peanuts B milk C gold D air 2.) Which statement best explains how periods on the periodic table are organized? A increasing atomic number from left to right B increasing number of neutrons from left to right C decreasing number of electrons from left to right D decreasing atomic mass number from left to right |
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March 2017
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