A microscope
The way a mineral naturally breaks is called its cleavage. The number and orientation of cleavages can help identify a mineral. For instance, micas have a single cleavage, and break up into flat plates. Pyroxines have two cleavages at 90 degrees to each other, and break into square prisms. Calcite has three at 120 degrees, and naturally breaks into rhombs. Different minerals may have the same cleavage, but it helps to narrow down a mineral's identity.
Proportions work because they show the relationship between different quantities by comparing them using fractions or ratios. They are useful for scaling up or down values while maintaining their relative sizes. This makes proportions a powerful tool for solving a wide range of problems in mathematics and real-life situations.
It's the silica crystals that make horsetail fern (Equisetum hyemale) a scratchy tool.Specifically, the plant forms silica crystals on the cell walls of its stems and branches. The crystals form in response to the drying of the plant's parts. It is the persistence of these crystals in the branches and stems that make the plant a scouring tool, in many places and throughout many time periods.
A battery hydrometer measures the specific gravity of the electrolyte solution in a lead-acid battery. This measurement helps determine the state of charge of the battery, as higher specific gravity indicates a higher charge level. By comparing the readings from different cells in the battery, one can assess the overall health and performance of the battery. It is an essential tool for maintaining and troubleshooting lead-acid batteries.
The homophone for "flat land" is "plain," which refers to a large area of level land. For "joiner's tool," the homophone is "plane," which is a tool used in woodworking to smooth or shape wood surfaces. Both pairs sound the same but have different meanings and spellings.
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yes
Comparing and contrasting are ways of looking at things to determine how they are alike and how they are different. Comparing involves identifying similarities and/or differences (e.g., apples and oranges are both fruit) whereas contrasting involves comparing two or more objects or events in order to show their differences (e.g., an apple has a thin skin that we can eat; an orange has a thick skin that we cannot eat).
This measurement is made with a measuring microscope.
When determining which minerals will scratch other minerals, you would need to refer to the Mohs Hardness Scale. The scale ranges from 1 (softest) to 10 (hardest) and is a tool used to measure the relative hardness of different minerals based on their ability to scratch each other.
hand lens,etc
A Venn diagram. It is a thinking tool used for comparing things.
pie graph
The most effective tool for gas mileage comparisons is at gasmycar dot com. That site has the best tool for doing this type of research and information desired.
Electronegativity values are a useful tool to predict what kind of bonds will form.
The way a mineral naturally breaks is called its cleavage. The number and orientation of cleavages can help identify a mineral. For instance, micas have a single cleavage, and break up into flat plates. Pyroxines have two cleavages at 90 degrees to each other, and break into square prisms. Calcite has three at 120 degrees, and naturally breaks into rhombs. Different minerals may have the same cleavage, but it helps to narrow down a mineral's identity.
A tool commonly used to measure minerals is a refractometer. This instrument determines the refractive index of a mineral sample, which can help identify the type of mineral based on how light is bent as it passes through the sample.