Third-grade - Science concepts

Below is list of all worksheets available under this concept. Worksheets are organized based on the concept with in the subject.

Click on concept to see list of all available worksheets.

  • Why is There a Leap Year?

    Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

  • Solar System: Neptune

    Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

  • Solar System: Uranus

    On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

  • Where Are the Planets?: Mars

    How far away is the Red Planet from the sun? Find out with this great Solar System printable.

  • Guglielmo Marconi

    Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

  • Solar System: Pluto

    Blast off deep into space with this science worksheet featuring the dwarf planet, Pluto.

  • Reflected Surfaces

    Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

  • Anatomy of a Bicycle

    Bikes are a healthy, great way to get from one place to another! Use this bike chart to familiarize yourself with basic bike parts.

  • Why are Manhole Covers Round?

    Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

  • Mixing Colors

    This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.