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Brain Food

Brain Food. Mr. Conner Blackman High School. Main Parts of a Microscope. What are the three main parts of a microscope? Labels the picture. Tube with lenses, stage and light. What Year. When was the term “scientist” coined?. 1840, science was used since 1300. UV Light Levels in MN.

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Brain Food

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  1. Brain Food Mr. Conner Blackman High School

  2. Main Parts of a Microscope • What are the three main parts of a microscope? • Labels the picture. • Tube with lenses, stage and light

  3. What Year When was the term “scientist” coined? 1840, science was used since 1300

  4. UV Light Levels in MN UV light levels are highest in late spring and early summer. At that same time of year, Minnesota’s frog population is laying eggs. Is there a cause and effect relationship involved here? Give your observations.

  5. Mass and Weight • Is mass and weight the same thing? • If a rocket has a mass of 105 tons on Earth, will the mass be greater, the same or less on the moon. • If a rocket has a weight of 105 tons on Earth, will the weight be greater, the same or less on the moon. • No; mass fundamental, and don’t change • weight is relative to conditions • 105 same • Less

  6. Volume and the Egg The volume of an egg and water in a beaker is 300ml. If the egg is removed, the volume of the water has changed to 225 mL. 1. What is the egg volume in cm3? 75 cm3

  7. SI Meaning The International System of Units is abbreviated SI because it stands for the Systeme International d’Unites. This is from which country? Germany France Italy Canada France

  8. Stimulus List things that are stimuli to you and your life. Red light Alarm clock Heat Cold

  9. Lichen in Antarctica The flora of Antarctica is dominated by lichen. Estimate the growth rate. 1mm every 100 days 1mm every 100 months 1mm every 100 years 1mm every 100 years

  10. Growth and Development Does growth and development mean the same things? Define. Growth: an increase in size Development: change in the form of an organism

  11. Water and the Human Boy The human body is what percent water? If a student has a mass of 40kg

  12. Staple Crops Match the Crop with the appropriate country. Millet and Sorghum Wheat and Barley Corn and Squash Rice and Soybeans Europeans Africans Asians Native Americans

  13. Staple Crops answers Match the Crop with the appropriate country. Millet and Sorghum Wheat and Barley Corn and Squash Rice and Soybeans Europeans Africans Asians Native Americans

  14. How Much Oxygen Each human red blood cell carries 250 million molecules of hemoglobin. The hemoglobin molecule can attach up to 4 oxygen molecules. What is the total amount of oxygen a single red blood cell with three oxygen molecules can carry? 750 million

  15. Percent Water It is said that 70% of a cell is water. Is this true for camels? For a cactus? Yes

  16. Subunits Subunit of proteins is __________. Subunit of starch is __________. Sun unit of DNA is __________. Amino acidsugarnucleotides

  17. Lab Teezers 1. What is the number one problem using coverslips? How do you prevent this? Problem: Air bubbles under slid. Solution: Gently place down one side then slowly let the rest of the slide down.

  18. How Many Cells How many different cell are there in the human body? • 2 • 20 • 200 • 2,000 • 20,000 • 200,000 200

  19. Junk in an Elephant Trunk Which of the following statements about an elephants’ trunk is not true? • The trunk is weighs 135k (300lbs) • The trunk I composed of skin, hair, connective tissue, nerves and muscles. • The trunk is used to drink, breathe, grab and greet friend. • There is too much junk in an elephant’s trunk. 4

  20. How many pounds of dead skin will a person shed in a lifetime? • 10 pounds • 40 pounds • 60 pound • 80 pounds • Which of these cells are dead cells?? Dead Cells 40 pounds!!! Skin Hair Nails Teeth All except teeth

  21. Organ Size Which organ is the body’s largest organ? Heart Brain Skin Large Intestine Liver Kidneys Skin

  22. Where the Red Fern Grows Do ferns grow from seeds or spores? spores

  23. Dogs in My Body Where are the dog related parts in your body? Canines-teeth

  24. Body of an Animal Name all the animal on the human body. Calf,

  25. Large Egg The largest egg in the world belongs to a bird. Which bird is it? Penguin Ostrich Eagle Gazelle Ostrich

  26. Cell Life Span Match the cell with its life span. Intestinal Cells Red Blood Cells Brain Cells Several Years 120 days Several days

  27. Bear Hunt When a bear hibernates in their winter dens, their body temperature decreases several degrees. Why is this and is it important. Yes; lower body temperature decreases energy requirements, so bears can sleep long times without eating.

  28. Bacteria Taste Test Cotton swabyogurt with active cultureplastic microscope slidewaterplastic coverslipmicroscope Rod shaped bacteria feed on the sugar in milk (lactose) and convert it into lactic acid.

  29. Grape vs Raisin • Which has more water? • Which has more sugar?

  30. Reaching Out How do cells communicate with each other? By cellular phone

  31. Got Your Number • How many chromosomes does a human have? • The organism with the most chrommosomes is: 23 pairs Fern • Zebra with 1560 pairs (1620) • The Ophioglossum reticulatum fern with 630 pairs (1260) • Elephant with 230 pairs (460)

  32. Rolling On The River • Which is the longest River in the world 6,670 km? • Which is the second longest River in the World at 6,275 lm? Nile Amazon

  33. Elvis’ Biome Which biome was Elvis’ favorite. Grassland

  34. Rain Forest Destruction Tropical Rain Forest are being cut down daily. One-fifth of all the worlds’ plant species live in tropical rain forest. Only a small number of these have been studied. What are your thoughts on this fact.

  35. Shrooms Of the 3000 mushroom species grown in North America, __________ are poisonous. • 70 • 700 • 3000 • 4000 70-80

  36. Match the Mountain ranges with the appropriate place. Caledonian MountainsAcadian MountainsAppalachian MountainUral MountainsPalisades MountainsRocky MountainsAndes MountainsAlps MountainsHimalayas Mountains ScandinaviaNew YorkNorth AmericaRussiaNew JerseyNorth AmericaSouth America

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