Saturday, June 23, 2018

Science questions for lab blogger

1.  What are differences between metamorphic, sedimentary, and igneous rocks?

Metamorphic rocks, formed by temperature and pressure changes inside the Earth, Igneous rock , formed by the cooling of magma, Sedimentary rocks, formed from the products of weathering by cementation or precipitation on the Earth's surface.

2.  What rock did you find the most interesting?  Why?
Sedimentary rocks because it has a very light weight.

3.  What are grains in the rocks?  can  you show me?
Image result for grain in rock

The individual grains from different classes of rocks.

4.  What are the crystals in the rocks?  can you show me?

If the magma cools slowly, large crystals form in the rock.
Gabbro are examples of this type of rock.Image result for gabbro rock

Friday, May 25, 2018

lab equipment

                                                      Heat shield

                                                    Stirring rod
                                                      Eye dropper
                                                      Watch glass
                                                    Evaporating dish
                                                     Erlenmeyer  flask
                                                     Test tube
                                                      Graduated cylinder

Sunday, June 18, 2017

What i thought about percent,decimals.word problems

After I have learnt about percent and decimals I have known that they are linked together. And they can be used in daily life.For example, the discount promotion of the goods in the shop are usually in the percentage term.