vocabulary# 1The Study of Life

Biology: the study of living and once living thing.

light microscope: light passes through  the object being looked at and then through two or more lenses.

stereo microscope: used for viewing large object and things through wish light cannot pass.

International System of Units: a measuring system based on unit of 10.

meter: an SI unit of length.

volume: amount of space a substance occupies. 

kilogram: an SI unit of mass.

Celsius: a scale with wish scientists measure temperature.

scientific method: a series of steps used to solve problems.

Hypothesis: an statement that can be taste.

experiments: testing the hypothesis using a series of steps with controlled conditions.

variable: something that causes the change observed in an experiment.

control: a standard for comparing result.

data: the recorded fact or measurement from an experiment.

theory: a hypothesis that has been tasted again and again by many scientists, with similar results each time.

technology: the use of scientific discoveries to solve everyday problem.

Using What We`ve learned

This topic talk about wat we have learn in all this year in the blog.And a new topic name the type of blod that are A, B, AB, O. Also the cromosomes. Also talk about the Hemophelia is a great deseses. Our body have 23 chromosemes.

How heredity Works

The different between mitosis and meiosis is that mitosis is the divition of the nucleus while a cell is dividing into 2 identical cells. And meiosis is the same but only ocure in the sex cell.





parts of a cell

What is the DNA? a DNA is a long, complex molecule that contains the codes that control your cells activiteas, your chemical makeup, and heredity.

Predicting traits

for predict traits we us a Punett Sqauare:
Example:

BB: full dominant
Bb: incomplete dominant
bb:rescecive
Trait: genes

Other think we use is the Pedigree:
Example:

Learning About Heredity

What is a trait? A trait is a fisical characteristic pass to the parent to the offspring .Gregor Mendel is consider the father of the genetic he count  the types of pea plants .

The types of polinations are self polination and cross polination

Geologic time

 You some times hear scientis saing this two word relative age and absolute age and you dont now to wat they refer until today because i will explane you the diference of each one.
The diferent between relative age and absolute age is that relative age is the age that is no so much clear of some thing and absolute age is the age  that is a 100% sure that that is the age.

There are 4 types of Eras Precambrian, Paleozoic, Mesozoic, and Conozoic. And we live in the Era Cenozoic, Period Quaternary but I think that the chart below will  help you to understand more.

The Rock Cycle

In this topic we will learn about the rock cycle lets bigin:

first  the volcano take out lava that roc is name Igneus rock then that rock go to the sand and transform into Sedimentary rock then it travel to the center of the earth whene it transform into Metamorphic rock  and for last it transom into magma and the prosses continue and it never stops.