Wednesday, May 30, 2018

Lab equipment

Memee 203 #2
Lap equipment

BeakerUsed to stir, heat (if glass), and measure liquid volume in ml (rough estimate).

Funnel Aids in pouring liquids into small openings without spilling them.

Test tube clamp : Used to clamp onto ring stand to hold test tube.

Erlenmeyer Flask : Glassware used to heat and store substances.

Cylinders : Used to measure liquid volume. A very accurate tool. Graduated in ml.

Test tube : Used to mixed chemicals.

blow : Used to fill the chemicals.

Test Tube Brush : Used to clean test tubes.

Heat shield : Protect the scientist from heat.

Scoopala : Used to scoop chemicals.

Crucibles : Used to crush chemicals.

Grass rod : Used to stir chemicals.

Wednesday, February 28, 2018

Monday, August 7, 2017

I am found it is easy about to do constructions of parallel lines, perpendicular lines, congruent line segments, perpendicular bisector, angle bisector, and congruent angle

Sunday, June 18, 2017

percent fraction and decimal

Percent is about trade. Trade have many kind. Simple loss, profit, cost, interest etc. I think it hard
Decimal is about time, weight, distance, etc. Example 4.53 pm. 6.30 cm. 29.44 kg. I think it very hard