Anchor Holding Test

📋 What You'll Need

• •3 containers: sand, gravel/mud, and grass (from a yard)
• •A small anchor or heavy object with a hook
• •A string or rope attached to the anchor
• •A weight or spring scale to pull with

👣 Step by Step

1. 1Fill three containers with sand, gravel/mud, and rooted grass respectively.
2. 2Press the small anchor into the sand container and let it set for 30 seconds.
3. 3Slowly pull the string horizontally and note how hard it pulls before letting go.
4. 4Repeat the same test in the gravel/mud container.
5. 5Repeat the same test in the grass container.
6. 6Rank the three bottom types from strongest hold to weakest hold.

🔍 What to Observe

• •Which bottom held the anchor best?
• •Did the anchor drag through the sand or set in place?
• •Why do boaters avoid anchoring in seagrass?