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WARM UP ACTIVITY

WARM UP ACTIVITY. 8/23 Write down three safety rules. WARM UP ACTIVITY. 8/29 Review terms for Science Skills by writing down the letter to each definition. 1. observations a. making a picture of a complex object 2. inferences b. making an inference based on prior

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WARM UP ACTIVITY

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  1. WARMUP ACTIVITY 8/23 Writedown three safety rules.

  2. WARMUP ACTIVITY 8/29 Review terms for Science Skills by writing down the letter to each definition. 1. observations a. making a picture of a complex object 2. inferences b. making an inference based on prior knowledge 3. classifying c. using your senses 4. predicting d. guessing at what it is 5. making models e. process of sharing ideas 6. communicating f. grouping things together that are alike

  3. Answers 1.c 2.d 3.f 4.b 5.a 6.e

  4. WARM UP ACTIVITY 8/30 Decide if the example is a Qualitative or Quantitative Observation. 1. 8 cm long leaf 2. The chemical has an odor 3. 10 books on the desk 4. 7 red cars crossed the intersection 5. SpongeBob is rectangular • Sam’s feet smell • Patrick is a starfish

  5. Answers 1. Quan 2. Qual 3. Quan 4. Quan/Qual 5. Qual 6. Qual 7. Qual

  6. WARM UP ACTIVITY 9/14 • What measurement unit would you use to measure these items in: Meter Centimeter Millimeter • length of classroom • height of a piece of bread 3. height of a door 4. length of a basketball court 5. width of a piece of paper 6. length of a calculator 7. length of a swimming pool 8. height of a pencil eraser

  7. Answers 1. m 2. cm/mm 3. m 4. m 5. cm 6. cm 7. m 8. cm/ mm

  8. WARM UP ACTIVITY • You have been asked to help plan a zoo. They give you a list of some of the animals that will live there and ask you to group or classify them together. You need to come up with three different ways to group or classify them and a reason why you did it that way. • Brown bear from Asia • Penguins from South America • Black bear from North America • Giraffe from Africa • Koala bear from Australia • Toucan bird from South America • Eagle from North America • Kangaroo from Australia • Camel from Africa • Panda bear from Asia

  9. 9/25 WARM UP ACTIVITY • -Look at the graph and answer the following questions. Number Of 1 bacteria 0 1 2 3 4 Number of hours 1. Between what two hours did the bacteria begin to start growing? • Bacteria need food to grow, at what hour did it not receive any more food? • What time period did the bacteria stop growing? • What do you think will happen to the bacteria in 5 hours?

  10. Warm Up Activity 9/26Choose the best answer. 1. What unit do we use to measure length? a. meter b. liter c. gram 2. What unit do we use to measure liquids? a. meter b. liter c. Gram 3. What unit do we use to measure mass? a. meter b. liter c. gram 4. Which is the biggest unit? a. kilometer b. centimeter c. mile 5. Which is the biggest unit? a. milliliter b. liter c. deciliter

  11. WARM UP ACTIVITY 10/23 -Decide if the variable is an independent (I) or a dependent (D) one. 1. Recording the amount of time it takes to eat a life saver. 2. Which soil will a plant grow better in 3. What color of pen will write better 4. Drawing a picture of a slide you view through a microscope 5. Finding a pair of sunglasses that best block the sun 6. Finding the volume of an object

  12. 11/14 Warm Up Activity Answer the following questions. 1. Scientists often test their hypotheses with controlled experiments. Which of these is part of the controlled experiment? • Change at least two variables • Keep all variables constant • Change as many variables as possible • Change only one variable at a time • Which of the following is a hypothesis? • Changing the distance between an object and a light source changes the size of the object’s shadow. • Changing the distance between an object and a light source is boring. • The farther an object is from a light source, the more beautiful the shadow. • The closer an object is to a light source, the more interesting the shadow produced. 3. Write the hypothesis ABOVE in anIF……THENstatement. • Which procedure should you do before you begin a lab experiment? • Put away lab aprons and gloves. • Put on gloves and safety goggles. • Turn off Bunsen burners and hot plates. • Remove eyeglasses and dangling jewelry.

  13. 11/29 Warm Up Activity 1. Identify a quantitative change that may be observed in a laboratory. a. The color changes from blue to red as the chemical reaction proceeds. b. The temperature rises 40C as the color changes in the cup c. The density of a substance is calculated by measuring its mass and volume. d. The length of an object is recorded as 22.5 cm. • Which are the appropriate tools to determine the volume of a marble and a dice? a. graduated cylinder and metric ruler b. metric ruler and balance c. spring scale and balance d. balance and graduated cylinder 3. Robert recorded the following information in his laboratory notebook. “I added five drops of thymol blue indicator to 5 mL of white vinegar. The vinegar turned red. I then added an additional 5 mL of vinegar. The solution remained red.” Which statement describes a qualitative change that Robert wrote in his notebook? a. “I added five drops of thymol blue indicator to 5 mL of white vinegar.” • “The vinegar turned red.” • “I then added an additional 5 mL of vinegar.” • “ The solution remained red.”

  14. 11/30 Warm Up Activity

  15. 12/4 Warm Up Activity A student got three identical containers and filled each one with 500 mL of hot water. She placed a thermometer in the lid of each container and then surrounded each container with a wool sock. She soaked one of the wool socks in water. She then recorded the temperature of each container every 10 minutes for one hour. 1. What is the intended dependent variable in the experiment described above? a. Water temperature b. Insulating material c. Amount of water d. External temperature 2. How could the student have improved the design of the experiment? a. She could have varied the amount of water in each container b. She could have placed one of the containers in the refrigerator c. She could have left the third container uncovered and used it as a control. d. She could have soaked all three wool socks in water as a control variable. 3. Which hypothesis is the student most likely trying to test in the experiment? a. If water is hot, then it becomes cooler over time. b. If wool is wet, then it loses some of its insulating ability. c. Wool is the best type of insulating material available. d. External temperatures affects the ability of wool to insulate.

  16. 1. What unit would most likely be used to measure the mass of a heart? A. milligram B. gram C. kilogram D. liter 2. The lab procedure says to measure 10 mL of an unknown liquid. Which of the following safety rules is the most important to follow for this task? A. Keep work area clean and uncluttered B. Keep chemicals away from eyes and skin C. Turn off and unplug all electrical equipment D. Tie back any loose hair and oversized clothing. Changes in State Gas Temperature Liquid Solid Thermal energy 3. Which statement best explains the data in the graph? A. During a change of state, thermal energy increases but temperature doesn’t. B. A solid loses heat as it reaches its melting point. C. A gas becomes heavier when you add heat. D. A liquid changes state when it increases in temperature.

  17. 12/6 Warm Up Activity 1. Which tools are needed to heat 20 milliliters of water to 950 C ? A. Beaker, ring stand, ruler, graduated cylinder B. Hot plate, glass slides, balance, camera C. Graduated cylinder, thermometer, hot plate, beaker • Thermometer, pipette, ruler, balance 2. In an experiment, which is the one variable that is changed on purpose to test a hypothesis ? A. Responding variable B. Independent variable C. Dependent variable • Operational definition 3. Jin performed an experiment to find out how temperature affects how sugar dissolves in water. Which of these statements makes the best hypothesis? • Less sugar dissolved in cold water than in warm water • If water is heated, then more sugar can be dissolved in the water. C. As the temperature increases, the solubility of sugar in water increases. • Will less sugar dissolve in cold water than hot water?

  18. 12/7 Warm Up Activity( 7th grade) • Which are ways that the body regulates body temperature? A. Eating and sleeping B. Making and excreting urine C. Sweating and shivering D. Making and releasing hormones 2. Which type of graph is most useful for showing the rate of lung cancer deaths over time? A. Bar graph B. Line graph C. Data graph D. Circle graph 3. Which of the following animals has a helpful adaptation? A. A cat with six toes on each paw B. A man who is colorblind C. A gazelle with enhanced hearing D. A turtle with a white shell

  19. 12/7 Warm Up Activity(6th grade) • What changes when you crush an empty aluminum can? A. The shape only B. The shape and mass C. The mass and weight D. The shape, mass and weight 2. Which type of graph is most useful for showing the rate of lung cancer deaths over time? A. Bar graph B. Line graph C. Data graph D. Circle graph 3. What is electrical energy? A. A form of magnetism B. Moving electrically charged particles C. Transformed radio waves D. Energy released when bonds break

  20. 12/11 Warm Up Activity An experiment was performed to test the effects of different types of fertilizers on the number of tomatoes produced by one type of tomato plant. 1. What is the independent variable? a. Amount of light b. Type of fertilizer c. Number of tomatoes d. Type of plant 2. What is the dependent variable? a. Amount of light b. Type of fertilizer c. Number of tomatoes d. Type of plant 3. What are the constants? a. Amount of light and type of fertilizer b. Type of fertilizer and number of tomatoes c. Number of tomatoes and type of plant d. Type of plant and amount and light

  21. WARM UP ACTIVITY 1/11/08 Decide which step of the scientific method is being used. A. Identifies a problem D. Draws a conclusion • States a hypothesis E. Reports results • Test the hypothesis (gathers data) • Ella was picking up rocks and saw one with many colors. She wondered how the rock was formed. • Janelle saw dark clouds overhead and thought it was going to rain. • Christina kept fish in an aquarium for a month. She wrote a summary of all her observations. • Yordano timed the solar eclipse in minutes and seconds. He wanted to see if the newspaper prediction was correct. • Every summer Lacey goes to the beach. After several summers, she concluded that the beach is always changing.

  22. WARM UP ACTIVITY 1/15/08 Decide which step of the scientific method is being used. A. Identifies a problem D. Draws a conclusion • States a hypothesis E. Reports results • Test the hypothesis (gathers data) • Jordan told the class he saw the moon today on his way to school. He wondered how that was possible. • A geologist, named Chelynne, gathers fossils to decide if life was different in the past compared to life today. • Mark kept records of air pressure and temperature for two weeks to see if they were related. • Katie asked,” Why does it get darker earlier in the fall than in the summer?”. • Daniel said,” I think the water in puddles goes into the air when the puddles dry up.”

  23. Use the following information to calculate the volume of a rock. • Place 250 mL of water in a graduated cylinder. • Place the rock specimen in the graduated cylinder. • The water level in the graduated cylinder then rises to a level of 318 mL. 1. The volume of the rock is: • 68 mL • 250 mL • 318 mL • 568 mL 2. The fine lead used in mechanical pencils has a diameter of about: • 0.5 centimeter • 5.0 centimeters • 0.5 millimeter • 5.0 millimeters 3. A very large redwood tree is measured to be about 100 units tall. Which unit is the most appropriate to use? • Millimeters • Centimeters • Meters • Kilometers 4. What are the three processes your digestive system performs?

  24. What is the correct level of organization? 7th grade • Organ system, Organism, Organ, Tissue, Cell • Cell, Tissue, Organ, Organ system, Organism • Cell, Atom, Molecule, Organ, Organism • Cell, Organ, Tissue, Organ system, Organism 2. Which of these should the students avoid while doing this activity? A. Using a metal teaspoon B. Using a plastic bowl C. Stirring the vinegar D. Tasting the mixture • An organism's genotype is its: • Genetic makeup • Chromosome number • Inherited physical appearance • Learned behaviors

  25. The table indicates the amount of time that four different brands of batteries worked in a flashlight. Which of the following statements is supported by this information? • Brand L caused the light to shine farther than the other • brands tested. • B. Brand M lasted longer than the other brands tested. • Brand N gave off a stronger light than the other brands • tested. • Brand O was more expensive than the other brands • tested. • What two forms of energy does a flame from a burning candle release? • Electrical and mechanical 6th grade • Chemical and electrical • Light and heat • Heat and nuclear 3. Which of these should the students avoid while doing this activity? A. Using a metal teaspoon B. Using a plastic bowl C. Stirring the vinegar D. Tasting the mixture

  26. 1. A student added water to glasses and tapped the glasses with a pencil to make musical notes. She adjusted the water levels in the glasses until the pitches of the notes matched the eight notes of a musical scale. Which information is most important to include in her report so another student can repeat her investigation? A) the volume of water placed in each glass B) the length and mass of the pencil used to tap each glass C) the date and location of the investigation D) the student's previous experience with making musical instruments 2. Which best describes the main purpose of science? A) to understand how decisions are made B) to understand different cultural beliefs C) to understand why languages are different • to understand phenomena in the natural world 2/1/08

  27. 1. Jan conducts an activity to measure how long it takes a marble to fall 20 centimeters when placed in different liquids. Four steps of the activity are listed below. A. Set up the equipment to do the activity B. Graph the data C. Figure out how to do the activity as to measure the times fairly. • Drop the marble into different liquids and record the times. Trace the order in which Jan should conduct the experiment. • A D C B • C A D B • C D A B • D C B A 2. A student is making observations using his senses to determine what substance is in a clear, plastic cup. Identify which activity is most dangerous for him. A. Tasting the liquid in the cup B. Observing the liquid through the cup C. Feeling the cup to check for temperature changes D. Smelling the liquid by waving the odor to his nose with his hand

  28. 1. These steps were used to test the designs of two paper airplanes. • Fold two identical sheets of paper to make two paper airplanes with different designs. • Label one airplane A and the other one B. • Throw airplane A as far as it will go. • Measure the flight distance with a meter stick. • From the same starting point, throw airplane B. • Measure the flight distance with a meter stick. Predict which step should be done next before making a conclusion about the airplane designs. • Throw both airplanes at the same time from the same distance. • Create different airplane designs. • Repeat the experiment several times. • Determine the mass of each airplane.

  29. Warm Up Activity • You perform an experiment on which color of construction paper holds the most heat. You use three different colors of paper and you place them in the sun for 30 seconds. At the end of 30 seconds you lay a thermometer on the paper to see which is the warmest. • What is the independent variable? different colors of paper • What is the dependent variable? temperature of paper • What are the constants? 30 seconds, sun, thermometer • What would be a control? use white paper

  30. WARM UP ACTIVITY 2/14/08 Match the vocabulary words with their key descriptive word. 1. Mitochondria h a. Stiff outer wall of a plant 2. Nucleus b. Stores food, waste, water 3. Golgi body c. Green in plants 4. Lysosome d. Brains of the cell 5. Endoplasmic reticulum e. makes protein 6. Cytoplasm f. cleans up old parts 7. Cell membrane g. clear gel that holds cell parts 8. Cell wall h. powerhouse of energy 9. Chloroplast i. Protects cell 10. Ribosome j. Passageways of cells that carry 11. Vacuole material k. Receive material from endo. and send to other parts

  31. Warm Up Activity 2/26 • Name 3 physical properties of water. color, density, liquid, solubility 2. Name 3 physical properties of sugar. white, sinks in water, solid 3. Name 3 physical properties of a rock. texture, color, size, magnetic -Complete the Comparison Box. State of MatterShape VolumeExample A. Solid Definite B. Definite Diamond Liquid C. Not definite Definite D. Water Gas E. Not definite Not definite F. Oxygen Word Bank Definite Not definite Oxygen Water Not definite Solid

  32. 1. Which activity requires the use of safety goggles? 2/28/08 A sampling a population of birds B measuring the temperature of soil C examining a cell under a microscope D mixing two chemicals to make a solution

  33. 1. Shown below are the steps a student will complete in order to study the effect light has on the number of microscopic algae in freshwater. • Place one jar of pond water in the sun and one in the shade for one week. • Use a microscope to count the number of microscopic algae in one milliliter from jar A and one milliliter from jar B. 3. Label two jars A and B. • Collect two jars of pond water. Which of these is the best order in which to do these steps? A 3 – 4 – 2 – 1 B 4 – 2 – 3 – 1 C 3 – 4 – 2 – 1 – 2 D 4 – 2 – 1 – 2 – 3 2. Mistletoe lives among the branches and leaves of many trees. The mistletoe uses the water and nutrients collected and produced by these trees. As a result, the trees are weakened and grow at a slower rate. Which statement best classifies the relationship between the mistletoe and the trees? A The relationship is parasitic because both species are harmed. B The relationship is competitive because both species are harmed. C The relationship is parasitic because only one species benefits while the other is harmed. D The relationship is competitive because only one species benefits while the other is harmed.

  34. 1. Yearly rainfall is usually measured in WARM UP ACTIVITY A. meters 4/30/08 B. centimeters C. kilometers D. decameters 2. Water depth in a deep lake is measured in A. meters B. centimeters C. kilometers D. decameters 3. Which unit most likely be used to describe length of leaf? a. meter b. centimeter c. millimeter d. Micron 4. Mass is usually measured with a(n) a. thermometer b. metric ruler c. balance d. graduated cylinder

  35. 1. The SI unit that would be used to measure mass of grass plant a. thermometer b. metric ruler c. balance d. graduated cylinder 2. The SI unit of measure for temperature is a. Celsius b. Micron c. Meter d. Gram 3. The SI unit of measure for length is a. Celsius b. Micron c. Meter • Gram 4. Which would be used to measure the volume of water? a. thermometer b. metric ruler c. balance d. graduated cylinder

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