Unit 1 Activity 1: Pinholes and Shadows To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it. Exploration 1 STEP 1: Staring at the point source Exploration 1 STEP 1: Staring at the point source Exploration 1 STEP 2: Screen placed in front of Maglite Exploration 1 STEP 2: Screen placed in front of Maglite Exploration 1 STEP 4: Darken room Exploration 1 STEP 4: Darken room Exploration 2 STEP 1: Maglite in candle mode 30 cm from screen Exploration 2 STEP 1: Maglite in candle mode 30 cm from screen Exploration 2 STEP 3: Maglite in candle mode 15 cm from screen Exploration 2 STEP 3: Maglite in candle mode 15 cm from screen Exploration 2 STEP 4: Maglite in candle mode 45 cm from screen Exploration 2 STEP 4: Maglite in candle mode 45 cm from screen Exploration 3 STEPS 1-2: Pinhole - Moving Maglite up and down and side-to-side Exploration 3 STEPS 1-2: Pinhole - Moving Maglite up and down and side-to-side. Exploration 3 STEP 4: Pinhole - two Maglites Exploration 3 STEP 4: Pinhole - two Maglites Exploration 3 STEP 6: Pinhole - 3 LED lights/a> Exploration 3 STEP 6: Pinhole - 3 LED lights Exploration 3 STEP 7: Pinhole - Long straight filament Exploration 3 STEP 7: Pinhole - Long straight filament Exploration 4 STEP 1: Blocker card Exploration 4 STEP 1: Blocker card Exploration 4 STEP 2: Blocker card - Moving Maglite up and down Exploration 4 STEP 2: Blocker card - Moving Maglite up and down Exploration 4 STEP 3: Blocker card - Moving Maglite closer to or further away from blocker card Exploration 4 STEP 3: Blocker card - Moving Maglite closer to or further away from blocker card Exploration 4 STEP 4: Blocker card - Moving screen closer to or further away from blocker card Exploration 4 STEP 4: Blocker card - Moving screen closer to or further away from blocker card Summary Question 3: Blocker card - two Maglites Summary Question 3: Blocker card - two Maglites Summary Question 4: Pinhole - U-shaped bulb filament Summary Question 4: Pinhole - U-shaped bulb filament Return to Unit 1 Resources Page Copyright © 2020 LEAP