Density cube lab pdf

Density cube lab with lesson plan by ted goerner tpt. The lignum vitae cube is the only wood cube in the set that sinks in water and the polypropylene cube is the only plastic cube that floats. The density of a solid or the density of a liquid are both expressed as grams per milliliter gml. Wind, ocean currents, and plate tectonics are all driven by differences in density. Density has the units of mass divided by volume such as grams per centimeters cube gcm3 or kilograms per liter kgl.

Peffer density data may be used for obtaining relationships between density, chemical composition, thermal and mechanical treatments of materials, etc. To understand that density is a physical property which can be used to identify a substance. Great set to demonstrate density to my 4th grade class. This means that a gold cube has greater mass than an aluminum cube of the same size. This lab allows students to get handson experience with density cubes and allows them to see how density truly does vary from substance to substance. We suggest using the nylon offwhite, least dense plastic cube and the. Density is a topic studied in the middle years science curriculum, but conceptual understanding of density requires understanding of many topics associated with the middle years mathematics. Change the mass and volume and try to make the block float. What prior knowledge should students have for this lesson. This is a great handson lesson in which students will try to identify 10. Identify the mystery cubes based on their densities from the chart below.

Density is defined as the mass divided by the volume of the object. Draw and label the following objects in the beaker according to their densities. The volume of a regular object can be determined from its dimensions. Compressive strength of concrete cube test pdf, procedure.

To discover the identity of each cube based on its density. Ice cube o water o milk o dish soap o light corn syrup o maple syrup o honey summary. A cube of cork has a density of 200 kgm3, while water has a density of kgm3. Knowing the mass and volume of an object allows the calculation of its density. Using a metric ruler and the chart below, determine the volume of the cube and record it in table 4.

For example the volume of a cube can be determined from its length times width times height. Measure the length, width, and height of each cube in mm. This set comes with 10 cubes4 metal, 3 plastic, and 3 wood. Record the mass, volume, and density of all known materials styrofoamwood. Liquids will layer based on density and not on the thickness of the liquid. Each one separately ground and polished it represents the theoretical density of the respective element by its weight. Density cube set 9 cubes, graduated cylinder, ruler, balance. Turn your pdf or hard copy worksheet into an editable digital worksheet.

Note, from the table below, that the density of water is 1 g. United scientific dcset10 density cube set, 10 cubes. In this lab there are 10 cubes of unknown material. To discover the slope of a line of a mass vs volume lab is density of the object. The students compare their density results to a chart of known densities to determine what material each cube is. This lab requires that you already have density cube sets, you that you have various cubes made of different materials that the students can measure etc. Students will find the density of cubes made from different substances and determine if they sink or float. Plus, students can use the density of the samples to calculate the purity. Determining the density of a hardened concrete specimen duration. Find the density of each cube and record it in the chart. Density of solids and liquids by peter hidnert and elmer l. We can also use 200mm cube, but you have to convert the compressive strength of 200mm cube to the equivalent of 150mm cube to know the actual strength of the concrete.

The densities of the elements are listed in regents reference table s. This classic lab is now available with extra large easytomeasure 2. This circular defines density and specific gravity, describes 11 methods hydrostatic weighing, picnometer, flotation. Mystery cube density lab central bucks school district. Students will record data and fill in lab sheets on day 1 and day 2. Mystery cube density lab part 2, advanced science objective. Gold au has a much higher density than aluminum al. Using common liquids, this lab shows students how, based on differences in density, liquids can stack and not mix within a graduated cylinder. Using selected and high pure materials only, each density cube was lapped to 10x10x10mm to reach 1cm3 and 21. The true identify of the density cubes is disguised. This classic lab includes extra large easytomeasure 2. If the mass and volume of a cube is found, then the density of the cube will determine the material of the cube. The density of a substance is defined as mass per unit of volume. After students have calculating the density of their cubes using the method in 1, they.

With this lab student will find the density of ten cubes of equal size. The students enjoy examining the different blocks and weighing them. Density is a basic physical property of a homogeneous substance. Lesson 2 the nitty gritty of density by teresa kennedy page 1416 density station data sheet page 17 liquid layers lab sheet page 18 lesson 3 wet goes up, must come down by cory patterson page 1921 wet goes up must come down lab data sheet page 22 lesson 4 density is in the air by tiffany, teresa and cory page 2326. Use a triple beam balance to determine the mass g of 1 cube. Density cubes purchase a six metal density cube set. Your tray contains two solid metal cubes of approximately equal volume. Obtain a set of objects cube, cylinder, sphere, etc. With the lab density cube set for physical science and physics, perform a variety of density experiments. This means that every centimeter cube of this wood will have a mass of 0. It is easier for students if you reduce the number to 8 by using all the samples of metal but only two wood and two plastic cubes. Density lab density, a measure of the amount of material mass in a given space volume, is expressed as the ratio d mv. Use this set of 10 density cubes to demonstrate the density differences of various materials and experiment with mass, density, specific gravity, and buoyancy.

This lab was designed for block sets where the blocks all have the same volume, but varying masses and densities. Experiment 3 introduction to density introduction the purpose of this experiment is to understand the meaning and significance of the density of a substance. Using the equipment in the virtual lab a balance scale, beakers, string, a digital scale, and a vernier caliper, i will be finding the mass and volume of the cubes given to plug into the density formula, in order to find the cubes densities and based on their densities, i will be identifying an element present in each cube copper, iron. Density in the middle years sc 1 ience and mathematics curriculum this unit of work has been designed to promote students understanding of density. Density cube lab students will find the density of cubes made from. Density cube lab by omg science teachers pay teachers.

All 10 of the 1 cubes are the same volume, making it easy to calculate and compare densities. Mass should be expressed in units of grams and volume in units of ml or cm3. Then place each sample in water to test if it floats. The density of an object can be determined from the mass and volume of that object.

If you double the pressure of a gas, by what factor will its density. Differences in the densities of earths matter are the basis of many common processes. Calculate the density by measuring the mass and volume of your samples. Students identify each metal cube by determining its density.