A mixture of iron and sulphur is kept in a watch glass. Explain your observations when i) a magnet is brought near the mixture.
ii) it is heated
iii) dil. hydrochloric acid is added to it,

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Identify the type of heat transfer occurring when chocolate melts in your hand

Define the terms moral development and moral reasoning