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Select your Class

• 8B

• 8C

• 8D

What is the correct order of steps in the design process?

• b) Plan → Build → Test → Evaluate

• Test → Build → Evaluate → Plan

• Plan → Evaluate → Build → Test

• Build → Evaluate → Test → Plan

Which material would most likely improve the boat’s ability to float?

• Plastic bottles

• Rubber tires

• Concrete blocks

• b) Popsicle sticks

Why might polystyrene foam boards be a good choice for the boat hull?

• They are prone to cracking under pressure

• a) They are lightweight and buoyant

• They are heavy and sink easily

• They are difficult to repair if damaged

What happens if the density of the boat is greater than the density of water?

• The boat will float

• The boat will sink

• The boat will move faster

• The density of the boat doesn’t affect floating

What happens if the surface area of the hull is too small?

• b) The boat may capsize

• The boat will be easier to steer

• The boat will sink faster

• The boat will require less maintenance

How does the shape of the hull affect the boat's speed?

• A narrow hull is always the fastest

• A deep hull is better for speed

• b) A streamlined hull reduces drag

• A rounded hull increases stability

What is the purpose of a sail on a boat?

• b) To catch wind and propel the boat

• To create noise

• To signal other boats

• To store food

Q8. Which factor is most important for a sail's effectiveness in a sailboat?

• g) Age of the sail

• f) Brand of the sail

• d) Shape of the sail

• e) Weight of the sail