Wednesday, June 14, 2017
Stone lab Question
1.Calculate the density of each of your mineral samples. How could you use the densities to identify the minerals?
Ans:The minerals don't have the same density.
2.Key concept Would density or color be more useful in identifying a particular mineral? Explain your answer:
Ans: Density because the mineral can be the same color but the mineral don't have the same density
Wednesday, May 31, 2017
Impact of society on environment
Many Societies make impact the environment example in some cities have a factory that produces a product to make money for this cities some of it use fossil fuels to burn or melt some material so it makes pollution to the air. It released many kinds of gas some of it are compound of the acid rain like sulfur dioxide and nitrogen dioxide. It's mix and reacts with water, oxygen, and other chemicals to form more acidic pollutants this make acid rain. Acid rain destroys tree and buildings.
Oil is something people use every day people use to refill car to drive to work or others so we need to drill up the ground to find oil we dig up and transport them to town. if transport of the oil are fail then it will get oil spill. example of oil spill is ptt oil pipe leak then the spill in the ocean.
Wednesday, February 1, 2017
MY Goal next year
This year I learn many subjects in Add science. In add science we learn many things and go to lab. In lab is very fun activities. Next year I want to get better grade and better score for add science and other subjects
I want to take a test outside more.
Wednesday, January 18, 2017
Wednesday, January 11, 2017
1. If the height of the ramp is high the ball will bounce and slow the speed of the ball, but if the height of the ramp is 0 the ball speed will be slower.
2. 20 height of the ramp is the height of the ramp make the fastest, because the lower of ramp height.
3. The ball is not travel in straight line because these factor:
- The slope of the room
- when the ball bounce to the floor