Motion and Design

Katherine is recording observations in a science notebook.  Which are good to remember?
1.  label drawings
2.  draw graphs and charts
3. Date each entry and number the pages
4.  Erase to correct entries from weeks before

• 1 and 2
• 1,2 and 3
• 2,3, and 4
• 3 and 4

Which describes a technical drawing?
 1.  sketches of ideas
2.  clear, detailed drawings,
3.  magazine photographs
4.  quick drawing with little detail

• 1
• 2
• 3
• 4

Kali set up a falling weight system.  Which helps a vehicle move faster?
1.  work to make the wheels spin freely
2.  use more washers to pull with more force
3. add more weight to the vehicle
4.  take off weight and make the vehicle lighter

• 1 and 2
• 1, 2 and 3
• 2 and 4
• 1, 2 and 4

Which provides the force in a falling weight system?

• friction
• gravity
• rubber bands
• wood blocks

What best describes force?

• Any heavy weight
• Any lighter weight
• Any push or pull
• Anything measured in pounds

What is 3.45 to the nearest second?

• 3.0
• 3.5
• 4.0
• 5.0

Why do we run vehicle tests 3 times?

• More accurate data
• To give everyone a turn
• To try different locations
• To try different vehicles

What is one thing we changed in the rubber band vehicle trials?

• kinds of vehicles
• Numbers of rubber bands
• size of rubber bands
• Turns of the rubber bands

Which best describes the one thing that changes in an experiment?

• Constant
• Control
• Unit of Measurement
• Variable

What is the result of more air resistance?

• A faster-moving vehicle
• A slower-moving vehicle
• A stopped vehicle
• A moving vehicle