Hypothesize, experiment, collect data and analyze forces and motion with a straw “rocket” and an easily made launcher. The stronger the force, the farther and higher the rocket flies!

Curriculum Standards:
Forces & Motion
(Next Generation Science Standards: Grade K, Physical Science 2-1 & 2-2; Grade 3, Physical Science 2-1 & 2-2; Middle School, Physical Science 2-2; High School, Physical Science 2-1)

Kinetic and Potential Energy
(Next Generation Science Standards: Grade 4, Physical Science 3-1; Middle School, Physical Science 3-5)

Gravity
(Next Generation Science Standards: Grade 5, Physical Science 2-1)

Materials Included:
• Squeezable bottle, ~120-180ml (4-6 fl. oz.)
• Adhesive-backed foam, large enough to cover bottle opening, about 1 cm (1/2") thick
• 3 straws, 1 with a smaller diameter
• Soft foam piece, about 2.5 cm (1") long with 1 cm (1/2") diameter
• Pencil, with a diameter close to the diameter of the straws, sharpened to use as a tool
• Adhesive labels (return address or equal) or stiff paper/thin cardstock to use for fins
• Glue or tape as needed for attaching fins