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3rd grade Science Review

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  • What can you feel after you rub an eraser against a paper? A. Heat B. Light C. Potential Energy D. Electricity
    A. Heat
  • What is a tool that helps you observe stars? A. binoculars B. Goggles C. Microscopes D. Telescope
    D. Telescope
  • What is the largest group of vertebrates?
    Fish
  • Which type of energy happens after a soccer ball rolls away after being kicked? A. electrical B. mechanical C. light D. sound
    B. mechanical
  • This animal group lives in the water, breathes through gills and lays eggs?
    Fish
  • A child sits at the top of a water slide waiting for her turn. Which type of energy does she have? A. Light energy B. Sound Energy C. Electrical energy D. Potential Energy
    D. Potential energy
  • Why do birds migrate?
    They move to a more ideal temperature.So they can find food more readily available.
  • Plant leaves have several jobs - what is NOT a job leaves do- A. produce sugar B. take in sunlight C. let oxygen out D. help with plant reproduction
    D. Help with plant reproduction
  • Why do plants bend as they grow? A. It is turning to get water B. It needs nutrients C. It is turning toward the sun.
    C. It is turning toward the sun.
  • What gives the largest group of invertebrates their shape? A. bones B. a hard covering outside their bodies C. wings D. a shell
    Insects have B. A hard covering outside their bodies
  • Give an example of a mammal?
    Human, bear, manatee, elephant, dog, cat .............
  • How is the Sun different from other objects in our solar system? A. It has gravity B. I has mass C. It gives off it own light energy D. It has other objects revolving around it.
    D. It has other Objects revolving around it.
  • To be a vertebrate you must have ?
    A backbone
  • Why do stars in the sky look so small?
    They are very far away.
  • What part of a plant forms seeds?
    flowers and cones
  • What animal group has fur, live babies and makes milk?
    A Mammal
  • What causes a straw in a glass of water to look broken? A. It refracts ( bends) B It is absorbed C. it reflects D. it scatters
    A. It refracts
  • What is the largest invertebrate group?
    Insects
  • This animal group has feathers?
    Birds
  • What animal group can live in water and on land, starts life with gills and grows lungs?
    Amphibian
  • This animal group is cold blooded, covered in scaly skin and hatch from eggs .
    Reptiles
  • What will happen if you plant a seed upside down?
    The roots will still grow down.
  • What do plants need to make food through Photosynthesis ? A. water, sunlight and soil B. water, sunlight and oxygen C. water, Sunlight and fertilizer D. water, sunlight and carbon dioxide
    D. water, sunlight and carbon dioxide
  • What happens when you shine a flashlight at water? 1. light travels in the same direction or 2 . light will travel in a straight line then bend when it hits the water
    2 the light travels straight in the air and bends when it hits the water