BearLearner
contestada

Please help, I don't have these sorts of materials and can't just go get them.
Step 1: Prepare for the project.
a) Read the entire Student Guide before you begin this project.
b) If anything is unclear, be sure to ask your teacher for assistance before you begin.
c) Gather the materials you will need to complete this project.
Step 2: Review the chemical reaction.
a) The chemical reaction that you will model is shown below. Calcium oxide (CaO) is a white
solid with a crystalline structure. It is made by heating limestone, coral, sea shells, or chalk,
which are composed mainly of calcium carbonate (CaCO3). During the heating process,
carbon dioxide (CO2) is released and calcium oxide (CaO) is produced. Commercially,
calcium oxide is called lime. One of the oldest uses of lime is to make mortar, a substance
used in construction to secure bricks, stones, and blocks together.
CaCO3  CaO + CO2

Step 3: Build a model of the reactant.
a) Use gumdrops and toothpicks to build a model of CaCO3.
b) Select one color of gumdrop for calcium, a second color for carbon, and a third color for
oxygen. Be sure to include a key of your chosen color scheme with your model.
c) Use the periodic table to help you determine the number of bonds each atom will form.
Step 4: Build models of the products.
a) Use gumdrops and toothpicks to build a model of CaO and a model of CO2.
b) Be sure to use the same colors of gumdrops for calcium, carbon, and oxygen as you did in
Step 3. Include a key of your chosen color scheme with your models.
c) Use the periodic table to help you determine the number of bonds each atom will form.
Step 5: Type one to two paragraphs that describe your models and explain the conservation of
mass in the chemical reaction.
a) Create a new blank document. Type your name at the top.
b) Type one to two paragraphs that describe your models and relate them to the law of
conservation of mass. Your document should:
i. identify the names of the reactants and products in the reaction.
ii. identify the number of molecules that make up the reactants and products.
iii. identify the type and number of atoms in each molecule of the reactants and products.
iv. explain what happens during the chemical reaction.
v. explain how mass is conserved during the chemical reaction.
Step 6: Evaluate your project using this checklist.
If you can check each criterion below, you are ready to submit your project.
 Did you create an accurate model of calcium carbonate (CaCO3)? Your model should include
the correct number of gumdrops for each element in calcium carbonate, consistent use of
colors for elements in calcium carbonate, and the correct number and placement of toothpicks
(bonds).
 Did you create an accurate model of calcium oxide (CaO)? Your model should include the
correct number of gumdrops for each element in calcium oxide, consistent use of colors for
elements in calcium oxide, and the correct number and placement of toothpicks (bonds).
 Did you create an accurate model of carbon dioxide (CO2)? Your model should include the
correct number of gumdrops for each element in carbon dioxide, consistent use of colors for
elements in carbon dioxide, and the correct number and placement of toothpicks (bonds).
 Did you type one to two paragraphs that describe your models and relate them to the law of
conservation of mass? Your document should include the names of the reactants and
products in the reaction, the number of molecules that make up the reactants and products,
and the type and number of atoms in each molecule of the reactants and products. It should
also explain what happens during the chemical reaction and how mass is conserved during
the reaction

Step 7: Revise and submit your project.
a) If you were unable to check off all of the requirements on the checklist, go back and make
sure that your project is complete.
b) When you have completed your project, submit your models to your teacher for grading. Ask
your teacher where to put your name on your models.
c) Submit your document through the virtual classroom. Be sure that your name is on it.
Step 8: Clean up your workspace.
a) Clean up your workspace. Return any extra materials to your teacher and throw away any
trash.
b) Congratulations! You have completed your project

Respuesta :

Answer:

yo sorry about the sand thing but I got the typing stuff done and you can just draw the layers and hope for the beast. sorry I can't help more. hope this gives you a good grade.

Explanation:

A core sample is a cylindrical section of a natural substance. Most core samples are made by drilling with special drills into the substance, such as sediments or rock, with a hollow steel tube, called a core drill. The hole made for the core sample is called the "core hole". It is currently not possible to take a core sample like this one.

The difference in these layers is that the farther down you go the hotter and more dense it gets. You need to make the layers different colors so you know which layer is which and, how deep the layer goes.

What it means to make a scale model is to make a model of something and make it a certain amount smaller than the original.(the entire model should be the same amount smaller than the original.)

Starting at the center, Earth has four different layers. They are, from deepest to shallowest, the inner core, the outer core, the mantle and the crust. Except for the crust, no one has ever explored these layers in person. The inner core is a solid metal ball and is extremely dense, it’s made mostly of iron and nickel.the outer core is also made from iron and nickel, just in liquid form. The mantle is Earth’s thickest layer and is made mostly of iron, magnesium and silicon, it is dense, hot and semi-solid (like caramel candy).Earth’s crust is like the shell of a hard-boiled egg. It is extremely thin and cold. The crust is made of relatively light elements, especially silica, aluminum and oxygen.

How does this “core sample” model of Earth’s layers differ from the actual layers of the Earth? Well, this model is much smaller and is Impossible  to do in real life. Example, the metal used for making the hollow rods to take these core samples would melt when they get to the mantle much less the inner core.

Otras preguntas