Unit PEF Activity 1 To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it. Exploration #1, STEP 1: Launching a cart with a rubber band Exploration #1, STEP 1: Launching a cart with a rubber band Exploration #1, STEP 1: Launching cart with a more stretched rubber band <Exploration #1, STEP 1: Launching cart with a more stretched rubber band Exploration #1, STEP 2: Cart rebounds from rubber band Exploration #1, STEP 2: Cart rebounds from rubber band Exploration #2, STEP 1: Two carts connected by rubber band Exploration #2, STEP 1: Two carts connected by rubber band Exploration #2, STEP 1: Two carts with compressed spring between them Exploration #2, STEP 1: Two carts with compressed spring between them Exploration #2, STEP 2: Comparing launched carts with different stretches of rubbed band Exploration #2, STEP 2: Comparing launched carts with different stretches of rubbed band Exploration #2, STEP 2: Comparing launched carts with different compressions of spring Exploration #2, STEP 2: Comparing launched carts with different compressions of spring Exploration #2, STEP 4: Launching carts of unequal masses with a rubber band and a spring Exploration #2, STEP 4: Launching carts of unequal masses with a rubber band and a spring Return to Unit PEF Resources Page Copyright © 2020 Next Gen PET