SAT Prep: Test 5 Section 7 Part 2
1 Spout Introduction
IR sensor
CAHSEE practice: Problems 32-34
What is inside a DVD player? (4 of 5)
SAT Prep: Test 1 Section 9 Part 3
SAT Prep: Test 3 Section 2 Part 1
SAT Prep: Test 2 Section 3 Part 5
SAT Prep: Test 6 Section 7 Part 5
Build a ping pong ball launcher