Diving beetle robot
Scientific Revelation：
Beetles are insects of the order Coleoptera，It is the largest order in the class Insecta。The body walls of insects in this order are hard，Especially keratinization of the forewings，So they are generally called beetles。The world's known approximately33"Ten thousand kinds"，Accounting for approximately the total number of known insects in the world1/3，China is known to be approximately close7000Kind of。Except for the ocean，Land、It is distributed in the air and various water bodies，尤以陆生Kind of类最多。Some parasitize in the bodies of other insects，Some parasitize outside the bodies of mammals，Some are in animal manure、Corpse、Living in dead branches, fallen leaves or soil，Some also live in the nests of birds or rodents，Or they may inhabit some social insects(Such as ants or bees)Inside the nest，There are also warehouse pests。The diet of beetles is very complex，Including spoilage、Fecal-eating、Herbivorous、Herbivorous、Predatory and parasitic, etc。There are many herbivorous species, which are important pests in agriculture and forestry。Among predatory beetles，Many of them are beneficial to human beings，Such as the ladybug family、Families such as the Gobiaceae and Gobiaceae。
Now that we have learned about beetles, let's make a small boat in the shape of a beetle together。
Scientific production：
1，Prepare the materials needed for the experiment，EVABase plate，DIY"Eye"，Fan blade，"Motor"，Battery box, etc.
2，Install in sequence according to the manual。
3，After installation is completed, proceed with debugging。
Scientific principles：
The principle of converting electrical energy into mechanical energy，"Motor"带动Fan blade转动产生空气推动小船向前行驶。
Scientific expansion：
The first person to propose the idea of the propeller was the Swiss Bernhard。1752One day of the year，Bo was trying hard when taking a break after finishing the physics experiment，I saw a carpenter in the yard doing carpentry work。He watched from the side for a long time，As if bewitched。"Turns out，The action of a screw drilling through a wooden board，It aroused its interest：Turn the screw clockwise，Turn forward onto the wooden board；Reversal，Then he withdrew。He wondered if this principle could be applied to the propulsion of ships，How convenient it would be!。However, in that era, due to the lack of appropriate power machines, the cameras made with great effort could not be realized at that time。With the advent of Marine steam engines，People began to take an interest in Bo's idea。Australian Russell yu1835There's one ship that's getting early in the year“Tail”A small motorboat，It extends a long screw from the underwater part as a thruster。The machine started.，Waves rose up，The ship speed is per hour7"Sea"。
Scientific exploration：
1，What scientific knowledge have I learned by assembling the beetle robot？
2，What does the beetle robot resemble in life？
3，What is the principle of the beetle robot's forward movement？
