Across
- 8. A force perpendicular to a surface
- 9. A force of attraction between any two objects
- 12. For a circuit to work, you need a closed ____
- 15. Is the earth pulling on objects in the space station?
- 19. The dependent variable is plotted on this axis
- 21. The address for the website for this class is _______.trampleasure.net
- 22. The planet that is middle-distance from the sun
- 24. The variable that you select values to measure at
- 25. In the Atlantic Ocean, the oldest rocks are ____ from the mid-oceanic rise
- 26. If we model the earth as an egg, this would be the white
- 27. A force is an _______ between two objects
- 29. If we model the earth as an egg, this would be the yolk
- 30. A boundary where plates are spreading apart
- 32. Variables that you keep the same for every trial
- 34. The unit we use to measure force, e.g. ‘the force is 13.2 ____’
- 35. A material that allows for the movement of electricity or heat
- 36. When all the forces are added together, we call this the _______ force
- 38. A force between two charged objects
- 39. For a circuit to work, you need a source of ____
- 42. A force that acts against sliding motion
- 43. The independent variable is plotted on this axis
- 44. In a force diagram, the length of the arrow tells you this about the force
- 45. The force when a person pushes or pulls an object
Down
- 1. If we model the earth as an egg, this would be the crust
- 2. A force in fluids that allows things to float
- 3. We often say an object is heavier, when we really mean it has more ____ e.g. metal is not necessarily heavier than feathers
- 4. If you add more loops to an electromagnet, it will pick up _____ staples
- 5. The mantle makes up the ________ volume of the earth
- 6. The crust makes up the ________ volume of the earth
- 7. If two balls are identical size, and one is larger, the larger one has a ______ density
- 10. The process of warmer things rising and cooler things falling
- 11. The word ‘normal’ means ____ in math and physics
- 13. When the net force on an object is zero, we say the forces are ______
- 14. A material that prevents the movement of electricity or heat
- 16. A boundary where plates are moving past each other
- 17. If you increase this, non-contact forces will decrease
- 18. The property of an object that is associated with gravity
- 20. A force from springs or similar materials
- 23. Friction force when objects are in touch wit each other but not sliding
- 28. Friction force when objects are sliding
- 31. The variable that you measure the response in
- 32. A boundary where plates are coming together
- 33. A measurement of the force of gravity on an object
- 37. A force in a rope, chain, wire, etc.
- 40. A resistive force in a gas or liquid
- 41. A force created by moving charged particles