Complete each sentence with the correct term.

Complete each sentence with the correct term.
1.Electrons move rapiodic table are called
2.The bond that is created by the force of attraction between two oppositely charged ions is called a(n)
3.A(n) is a substance that dissolves in water to produce a solution that conducts electricity.
In which group of the periodic table is iodine found?
chapter 12:
Complete the following crossword puzzle using the clues provided.
1.device used to exert hydraulic pressure on legs and lower torso(5个字母）
2.change in the observed frequency of a wave,caused by motion of the source(two words) (13个字母）
3.swinging device used to find the acceleration due to gravity(8个字母）
4.technique for finding distance,using electromagnetic radiation(two words)(12个字母）
5.device that uses frequency shifts to measure velocity(two words)(12 个字母）
6.device used to detect changes in the positions of points around a volcano(10个字母）
7.effects experienced in an orbiting spacecraft(12个字母）
chapter 11:
Complete the following crossword puzzle using the clues provided.
1.branch of physics that searches for patterns and relationships from studies and experiments(two words)(18个字母）
2.device used to measure changes in motion(13个字母）
3.parachute used to slow a vehicle(two words)(8个字母）
4.slope of a straight line ,calculated using two points on a vecity-time graph(two words)(19个字母）
5.rapidly flashing light(11个字母）
6.slope of a tangent to a velocity-time graph(two words)(25个字母）
这个题是我们这学期成绩不合格的同学Mrs.Lilian给留得作业，那个同学找我帮忙，我也很愁，因为没有选项什么的，教材我们都返还了，这个分数要加到总成绩里，我们家长会新学期开，悲哀，答不上来就不用了，飘……

这个真不是一般的难,物理怎么没有crossword puzzle图呢,传来看看