1. Unit 4: Thinking Like a Scientist Theme 7: Why Does Water Move? http://www.koicarp.net/Aquatic_Section/images/water.jpg

2. visible- can be seen Distant objects become visible when we look through binoculars or a telescope. http://www.teleskop-service.se/produkter/eng/binocularspics/start/medium/Marine70frei.jpg

3. tide- when the level of the oceans and seas rises and falls about every 12 hours This low tide has reached the shore. http://www.vukutu.com/blog/wp-content/uploads/2008/11/bore-tide.jpg

4. shore- the land along an ocean, sea, lake, or river Vacationers love to relax on the beach shores. http://www.manuelantoniovacationrentals.com/files/mavrentals/images/manuel-antonio-national-park-beach-shore_001.jpg

5. chisel- a sharp tool for cutting stone, wood, metal, or other hard materials Artists use a chisel to create works of art. http://www.just-kids-furniture.com/images/how-to-sharpen-wood-chisel1.gif

6. wedge- a piece of wood or metal shaped like a triangle. One edge is forced between two objects to push them apart. The wedge was forced between the tree stump to insert the stick. http://www.spectrum.usask.ca/schoolchallenge/wedge_rev.gif

7. swift- to move very quickly A swift bird can fly away to escape a predator. http://www.moolf.com/images/stories/Animals/Fastest-animals-in-the-world/swift.jpg

8. analyze- to separate it into parts to study it closely I will analyze the puzzle pieces so they all fit together. http://msbrowne101.files.wordpress.com/2009/10/analyze.jpg

9. model- a small version or copy of a larger object The model train had miniature parts that should not be left unattended. http://www.freefoto.com/images/9905/02/9905_02_34---Athearn-Genesis-SD70-MAC-model-train_web.jpg

10. current- when parts of a body of water flow together in one direction Some currents flow on the surface and some flow deep below the surface. http://www.loving-long-island.com/image-files/rip-current-1.jpg

11. coastline- the line that marks the boundary between the land and an ocean or a lake The coastline on a map shows the outline of land next to the water. http://www.condostx.com/gallery/images/coastline.jpg