Home ⋅ Science Fair Project Ideas for Kids, Middle & High School Students ⋅ Arithmetic Can You Define These Impossible Science Terms? ••• Trifonov_Evgeniy/iStock/GettyImages Share Tweet Email Print Related Science and Environmental Activists March on Washington Updated March 20, 2018 By Woaria Rashid Related Articles Science and Environmental Activists March on Washington List of 8th Grade Science Fair Ideas How to Calculate the Diameter of a Circle From a Linear... Characteristics of Aquatic Plants How to Convert Grams to Ounces How to Find Y Value for the Slope of a Line How to Calculate a Circular Area How to Convert Diameter to Square Centimeters How to Calculate the Volume of a Cylinder How to Convert Pounds Per Square Foot to PSI What Is the Difference Between Permeable & Impermeable? How to Calculate Volume of a Rectangular Prism What Is the Unit for Enthalpy? How to Calculate Volume of a Circular Cylinder How to Calculate CFM to MPH How to Use Log on a TI-83 How to Convert Inches to the Metric System How to Calculate an Equivalent Fraction What Color Would a Tester PH Paper Turn if Is Dipped... How to Blow Up a Balloon With Vinegar and Baking Soda... References 12 Longest and Most Difficult Words in English What are the top 100 hardest words to spell? About the Author As the Editorial Assistant, Woaria can find herself learning about anything from obscure science terms to investing in stock – and enjoying every minute of it! Find Your Next Great Science Fair Project! GO