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Silly Putty is a toy most anyone can appreciate. This experiment lets you turn two common goods (cornstarch and dish soap) into endless hours of non-Newtonian fun. You might need to tweak the ...
The official logo of the TAKS test. Mainly based on the TAAS test's logo. The Texas Assessment of Knowledge and Skills (TAKS) was the fourth Texas state standardized test previously used in grade 3-8 and grade 9-11 to assess students' attainment of reading, writing, math, science, and social studies skills required under Texas education standards. [1]
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These must be completed 10 days before or after 85% of a school's year has passed. The California Standards Tests (CSTs) are designed to match the state's academic content standards for each grade. Grades 2 through 8 tests cover mathematics and English/language arts (which includes writing in grades 4 and 7).
The main use of litmus is to test whether a solution is acidic or basic, as blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple. [2]
Students in grades 5 & 8 are tested in reading, mathematics, and science. [3] Grades 4 and 7 are tested in writing, however, in 2009, the writing test was canceled (students in grades 4 and 7 were tested in writing) and the social studies test was suspended for the 2010–11 and 2011-12 school years. The social studies test did return for the ...
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An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula . For example, a solution of table salt , also known as sodium chloride (NaCl), in water would be represented as Na + (aq) + Cl − (aq) .