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

Answer Key for Grade-6 Social Studies 2nd final Term Examination 2021

Answer Key for Grade-6  Social Studies    2nd final Term Examination   2021 Page 85 Exercise 1:  What is the difference between climate and weather? Explain. The weather changes within a short time (24 hours or less), and it changes from day to day. While the climate is constant over a long period (it does not change from one day to another), and it characterizes the general atmosphere of a place over a long period. Exercise 2:  Name the four elements that affect the change of climate from one place to another or from one season to the other. 1. Temperature (heat) 2. Atmospheric pressure 3. Precipitation 4. Wind Exercise 3:  Write “true” or “false”. 1. Wind moves all the time above the surface of the Earth.  T 2. A barometer measures temperature.  F 3. Temperature refers to heat and the sun might be a possible source of heat.  T 4. When I say it’s going to be cloudy today, the I am referring to the weather.  T Page 100 Exercise II: Circle the best choice. 1. Temperature is usually meas
Read more

Define Ecosystem, Population and Community.

Image
Define Ecosystem, Population and Community.   E cosystem :   An ecosystem includes all living and nonliving things in an environment. P opulation : A population includes all members of a single species in an area at a given time. C ommunity : A community includes all the living things in an ecosystem.
Read more

Social Studies Grade 6 First Term Examination Portion Coverage, Answer Key and Practice Questions 2021

Social Studies  Grade 6  First Term Examination 2021 Portion Coverage, Answer Key and  Practice Questions 2021 Portion Coverage   Unit 1 History of a Nation Lesson 1 Prophet Mohammad (PBUH) Lesson 2 The Beginning of Islam Lesson 3 The Umayyad Empire Lesson 4 The Abbasid Empire Lesson 5 The Ayyubid Empire Answer Key &  Practice Questions Lesson 1 Prophet Mohammad (PBUH) Exercise 1:  Answer the following questions. 1. Where and when was Prophet Mohammad (PBUH) born? in Makkah in the year 570 A.D. 2. Where and when did Prophet Mohammad (PBUH) die? in Madinah at the age of 63. 3. Name one of Prophet Mohammad’s (PBUH) achievements. Explain it briefly. Islamic State: The Prophet (PBUH) set up systems to form functional mechanism of a Muslim Community. 4. Who was Prophet Mohammad’s (PBUH) first wife? How many children did they have? Name them. Khadija/ 6 kids: Qasim, Abdallah, Zainab, Ruqayyah, Um Kulthum, Fatimah. 5. When and where did prophet Mohammad ( PBUH) have his first revelation?
Read more