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Science COM 1 MidM
| Question | Answer |
|---|---|
| What are the advantages of ALUMINUM to be a recycling material? | 50% is recycled and very cheap |
| What are the disadvantages of ALUMINUM to be a recycling material? | A ton of materials, 4000 pounds of waste, and most polluted |
| What are the advantages of GLASS to be a recycling material? | 25 % is recycled, reuseable, and least wasted |
| What are the disadvantages of GLASS to be a recycling material? | Expensive and 8,000 pounds of materials |
| What are the advantages of PLASTIC to be a recycling material? | 35 % is recycled, very cheap, and barely any waste |
| What are the disadvantages of PLASTIC to be recycling material? | none |
| Material | type of solid matter used to make things |
| Properties | particular characteristics of a material such as the material's density, melting point, or color |
| Evidence | factual information or data that supports or refutes a claim |
| Trade off | an exchange of one outcome for another |
| What is the scientific method | It is a process that used to find answers to questions about the world around us |
| What are the steps of the Scientific Method | Identify the problem, form a hypothesis, create an experiment, perform an experiment, analyze the data, and communicate the results |
| Independent variables | a variable that stands alone and isn't changed by other variables |
| Dependent variables | a variable that depends on the other variable |
| QUANtitative data | information that can be measured and written down with numbers (or quanitives) |
| QUALitative data | information that can't be measured (descriptions) |
| Matter | The stuff that makes up living and nonliving objects |
| Elements | The simplest pure substance |
| Atoms | The basic building blocks of matter |
| Physical property | A property that can be observed , identified, and measured |
| Malleability | The flexibility of a material |
| Solubility | The ability of a substance to dissolve into another substance |
| What are physical properties of Elements | state (liquid-gas-solid), appearance, malleability (flexible), solubility(dissolves in water), and density(sinks or floats) |
| Chemical property | describes how a material reacts with another substance (ex. acid or o2) |
| Compounds | substance made more than one different element that chemically combined (ex. plastic) |
| Melting point | physical |
| Boiling point | physical |
| Flammability | chemical |
| CLAIM | s statement about what you know and are trying to help other understand |
| EVIDENCE | data used to support the claim, the evidence tells the audience the support you have collected that makes the claim convincing |
| REASONING | explaining how and why evidence supports your claim using scientific principles |
| Density formula | M/V = density |
| Length | measures the distance from one point to another |
| Mass | measure the amount of matter in an object |
| Volume | measures the amount of space an object takes up |
| Density | measures how much matter is in a given amount of volume |
| Temperature | measures how fast the molecules are moving in a substance |
| Bias | favoring something over another in a unfair way |
| Chemistry | The scientific study of the composition of matter and their properties |
| What is copper | An element described as CU |
| What is Table sugar | A compound described as C12, H20, and O2 |
| Atom | a singular element |
| Molecule | multiple elements |
Created by:
User-4