fourth grade science test prep

> Atomatic number of the elements 1st Period n = 1 Short period 2 Atomic number 1 and 2 2nd Period n = 2 Short period 8 Atomic number 3 to 10 3rd Period n = 3 Long period 8 Atomic number 11 to 18 4th Period n = 4 Long period 18 Atomic number 19 to 36 5th Peri..

Matter In Our Surroundings - Matter can be defined as anything that occupies space, (i.e., has a volume), possesses mass, offers resistance and can be felt through one or more of our sense..

Question 1 - Question: 1 km/h = _____ m/s 1. 2. 3. 4. Answer:..

Question 1 - Question: The science of classification is called 1. demography 2. taxonomy 3. biology 4. none of the above Answer:..

Question 1 - Question: What is a symbol? What information does it convey? Answer: A short hand representation of an element is called symbol. It represents the following: Name of the element One atom of the element One mole of atoms. It represents 6.023 x 10 23 atoms of the element. A definite mass..

Question 1 - Question: When a wave travels through a medium ______. 1. particles are transferred from one place to another 2. energy is transferred in a periodic manner 3. energy is transferred at a constant speed 4. none of the above statements is applicable Answer:..

Question 1 - Question: Tissue A and tissue B constitute tissue C. A carries water while B carries food for the plants. Identify A, B, C. Answer: A. Xylem B. Phloem C. Vascular bundl..

Question 1 - Question: Which of the following statements is not applicable to cabon compounds? 1. They have low melting and boiling points. 2. They are ionic in nature. 3. They form homologous series. 4. They are generally soluble in organic solvents. Answer:..

Question 1 - Question: The cells in our body that can be over a foot long are _____. 1. muscle cells 2. nerve cells 3. bone cells 4. blood cells Answer:..

Question 1 - Question: Loop of Henle is concerned with: 1. excretory system 2. reproductive system 3. nervous system 4. muscular system Answer:..