grade 10 science program

Question: Why should we conserve forests and wildlife? Answer: Forests and wildlife play a vital role in the life and culture of the people. They form an important renewable natural resource and act as a source of gene pool for flora and fauna used in breeding programs in agric..

- This is a representative list of topics covered in our Grade 6 Science program - however all programs will be customized for the individual studen..

- This is a representative list of topics covered in our Grade 5 Science program - however all programs will be customized for the individual studen..

- This is a representative list of topics covered in our Grade 8 Science program - however all programs will be customized for the individual studen..

Question: A body travels from A to B in 10 seconds with a speed of 50 km/h and returns with a speed of 100 km/h in 5 s. Find the average speed. Also find the average velocity for the whole journey. Answer: Distance from A to B = Speed x time = 50 km/h x 10 s Tot..

Question: Two objects of masses 1 x 10 - 3 kg and 4 x 10 - 3 kg have equal momentum. What is the ratio of their kinetic energies? 1. 4:1 2. 2:1 3. 16:1 4. Answer: ..

Question: Three hydrocarbons have molecular formula: a) 1) C 4 H 8 2) C 2 H 2 3) C 3 H 8 Identify them. b) Draw their structural formulae and give their IUPAC names. Answer: a) 1) In C 4 H 8 , n = 4 and it fits into the formula C n H 2n Therefore it is an alkene 2) In C 2 H 2 , n =..

Question: The smallest particle of a substance that is capable of independent existence is _________. 1. Atom 2. Molecule 3. Electron 4. Proton Answer: ..

Question: What is gram molecular mass? Answer: The amount of a substance whose mass in grams is numerically equal to its molecular mass is called gram molecular mas..

Question: The acceleration in a body is due to 1. balanced force 2. unbalanced force 3. mass 4. electrostatic force Answer: ..