1. What is the science of what matter is made of and how it changes?

Which element can form straight chains, branched chains, and rings

Equal amounts of water are kept in a cap and in adish. which will evaporate faster? why?

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Relate energy conversion to the law of conservation of energy.

What is the product of 326595.00 x 57.00 in scientific notation with the correct number of significant figure?

Which of the following contains both protons and neutrons? a. outer shell b. nucleus c. covalent bond d. ionic bond

Density is a property of matter that relates

A main sequence star cools and expands. It must be entering which stage? A. white dwarf B. black dwarf C. red giant D. neutron star ... ?

Question 1: A man trailing a trolley bag and suddenly, the wheels of the trolley bag get locked. The man realises that he has to put extra effort to drag the bag. The man finds it difficult to drag the bag because

A body is thrown up with a velocity of u ... it reaches maximum height of h ... if its velocity is doubled the maximum height it reaches is?