Product name： KX2117 日晷
货号： KX2117 日晷
尺寸：About long85mm*wide105mm*high95mm
Weight：about26g
Material：木制
颜色：混色
是否使用电池:否
装箱： 500pcs
Box gauge：600*450*550mm

Preface：

Today, with an increasing emphasis on children's education，Enlightenment education has gradually become an important topic pursued and explored in the field of education today。More and more teachers and parents are beginning to pay attention to cultivating children's qualities from an early age，Help children develop good character and behavioral habits from the very beginning。Parent-child interactive handicrafts can enhance the quality of parent-child companionship，Improve parent-child relationships，The time we spend with our children，No mobile phone、ipad、Television，Only joy，Interaction and communication。 It can cultivate children's ability to solve problems by themselves when they encounter problems，Children should first see and experience the solution by themselves，Because this is how my parents and teachers solve problems while doing handicrafts。 It can develop children's imagination，In a child's world，Cars can fly in the sky、The sun can be green...... Play handicraftsDIYChildren's hands-on ability can be cultivated by using different tools，The child's little hands got sufficient exercise。Brush、Pigment、Scissors、Hot-melt gun、Glue.....，Dare to try any tool，It is also developing different skills to a certain extent。 A child's self-confidence lies in the process of handicrafts，Let's try every possible way together，Have experienced many failures，But it always succeeds，To a certain extent, it enhanced his self-confidence。 Cultivate children's concentration when they are exploring various tools and handicrafts，He is very focused，If there is no external disturbance，他可以一直探索Under the去。

Experimental purpose：This product emphasizes children's hands-on skills、The cultivation and exercise of thinking ability，终形成良good的独立思考的习惯，And fall in love with exploration。

Principle application：The direction of the shadow is changing。North of the Tropic of Cancer，The morning shadow is in the west，中午的影子在北party，傍晚的影子在东party。In principle，Time can be measured either by the length or direction of the shadow，但根据影子的party向来计when更party便一些。Therefore, time is usually measured by the position of the shadow。As time goes by，The shadow on the sundial needle moved slowly from west to east。移动着的晷针影子good像是现代钟table的指针，The dial surface is the surface of a clock，This is used to display the time。

Experimental cognition：A sundial is a device that indicates the time of each day by looking at the position of the sun，It is a major invention of mankind in the field of astronomical timekeeping，It was used for as long as a thousand years。
A sundial usually consists of a sundial needle（table）And the dial surface（A dial with scales）Composition，Determine and divide time by using the projection direction of the sun。

Knowledge expansion：The sundial is placed according to the position of its dial surface、Placement Angle、The differences in the regions of use，日晷可分成Horizontal type、Equatorial style、Meridional、MAO You Shi、There are various types such as sundials，The application scopes are also not the same。According to the Angle at which the dial surface is placed，It can be divided into：Horizontal type、Vertical type、Equatorial style。

Knowledge extension："Morning，The shadow cast its shadow near the hour of MAO at the western end of the board；When the sun reaches its highest position in the south（Shangzhongtian）when，The shadow of the needle is located to the north（Under the）party，It indicates the exact time of noon in the local area。In the afternoon，The sun moves westward.，The sun's shadow is slanting eastward，Point to "not" in sequence、"、Each hour of the year of the Rooster。

Warning：

All the accessories in this product are student experimental production equipment，Please ensure safety under the supervision and guidance of teachers and parents 全Under the使用！All products are prohibited from consumption！不适合三岁以Under the儿童使用，Do not press near the fire source。If used Please check whether the circuit is unobstructed before assembling the battery、Whether the accessories on the circuit are complete，Whether each contact is good or not good，On the battery+"Positive"、-Negative，组装过程中注意If usedGlue不要弄到眼睛和皮肤上。