Study

Science and Engineering Grade 3

  •   0%
  •  0     0     0

  • What does test and improve mean?
    Try it, fix it, and try again
  • What is the first step of a science investigation?
    Asking a question
  • What does “improve” mean?
    Make something better
  • What do scientists use to learn about the world?
    Their five senses
  • What is a scientist?
    Someone who studies the world
  • Which tool measures temperature?
    Thermometer
  • What do engineers do?
    Build and design things
  • What tool might you use to design a building?
    Ruler, Pencil, Marker, Paper, etc.
  • Why do people use technology?
    To solve problems
  • Which tool helps you see stars?
    Telescope
  • What is data?
    Collected information
  • Which tool would help you find the weight of a rock?
    Balance scale
  • What is all technology?
    A tool made to solve problems
  • Car A can go 40 miles per gallon of gas. Car B can go 30 miles per gallon of gas. Which car can travel 20 miles using the LEAST amount of gas? (A gallon is 16 cups)
    Car A. It can travel 20 miles on half a gallon of gas (0.5 gallons). (Car B travels 20 miles using 0.7 gallons of gas, which is more)
  • What does it mean to design something?
    To plan and draw
  • What helps you plan a design?
    Drawing
  • What is an example of technology?
    Pencil, Car, Lights, Plane, Glasses, etc.
  • What is an investigation?
    Testing and learning
  • What can a model help scientists do?
    Understand things that are too big, small, or dangerous
  • Why do engineers sometimes go back to fix their design?
    To improve it
  • Which tool measures time?
    Stopwatch
  • What is something you might improve at school with technology?
    The lunch line, A computer program, A noisy hallway, etc.
  • What does the word “solution” mean?
    An answer to a problem
  • What do you use to measure how long something is?
    Ruler
  • What do scientists do after they finish an experiment?
    Share their results
  • Give an example of a real-world problem that technology has helped solve.
    Cars help people travel far. Glasses help people see. (Any clear example accepted.)
  • Why do we test a design?
    To see if it works
  • Who uses the design process?
    Engineers
  • What helps people see far away?
    Telescope
  • Which tool helps scientists look at small things?
    Microscope
  • Which step comes after drawing your idea?
    Building your idea
  • Why do scientists repeat investigations?
    To get the same results
  • What do you call a careful guess in science?
    Hypothesis
  • What do you do after testing a design?
    Improve it
  • What is the first step in solving a problem with technology?
    Find a problem
  • What is something you test in science?
    Variable