Matter

 

Define Matter

Matter :

anything that has mass and occupies space.

Our bodies as well as all the things around us are examples of matter. In chemistry, we study all types of matters that can exist in any of three physical states:

solid, liquid or gas.

Comments

Post a Comment

Popular posts from this blog

What is Intertidal zone? Define Estuary.

Image
What is Intertidal zone? Define Estuary. I ntertidal zone : O ceans are divided into zones. The shallowest part of the ocean ecosystem is called the intertidal zone. The  intertidal zone  is the area where the ocean meets the land between high and low tides. Estuary : The boundary where freshwater feeds into salt water is called an estuary . An  estuary  is an area where a freshwater river or stream meets the ocean.
Read more

Define Pedigree and Carrier.

Image
Define Pedigree and Carrier. Pedigree: A pedigree is a chart used to trace the history of traits in a family. They are used to study   heredity patterns. Parents and offspring are shown in a pedigree.   Horizontal lines connect parents, and vertical lines connect parents to offspring. Males are represented as boxes ; f e mal e s ar e shown as circles. Individuals with a dominant trait have a shaded shape . Unshaded shapes represent recessiv e individu a ls . C arrier : A carrier is any individual who has inherited the gene for a trait, but does not show that trait  physically.
Read more

What is 'rate of reaction'? Measuring rates of reaction.

Image
What is 'rate of reaction'?  Measuring rates of reaction. Rate of reaction: The rate of a reaction tells us how quickly a chemical reaction happens. During a reaction, we can measure how much reactant is used up in a certain time. On the other hand, we might choose to measure now much product is formed in a certain time. Measuring rates of reaction: Measure how quickly one of the reactants is being used up.
Read more