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Science Mid Yr Rev
Science Mid Year Review for January 2015
Question | Answer |
---|---|
What makes an element an element? | The Physical and chemical parts they have |
What are the properties of metals? | Metals have luster |
What are the properties of Metalloids | Metalloids can have luster or no luster |
What makes something a mixture? | When two things are physically or chemically put together. |
What are some physical properties you can use to separate mixtures? | hands, hammers, machines |
What is a physical change? | A change not involving it's chemical identity. |
Names some examples of chemical changes | Water freezing, solid melting, water boiling |
What are examples of physical changes | rocks breaking, paper ripping, pencil breaking |
What are three properties of an acid? | sour taste, litmus, chemical bases |
Does teh mass of a system change after a chemical change? | The mass lowers |
What happens after a mass of a system has a physical change | It stays the same |
What is the only type of rock that can have fossils in it | sedimientary rock |
When a substance changes from gas to liquid what is it called? | fusion |
When a substance changes from a liquid to a gas what is that called | evaporation |
What are is a type of igneous rock | metamorphic |
What two things affect the force of gravity between two objects | mass, volume |
What is the chemical element for Silicon | Si |
What is the chemical element for Carbon | C |
What is the chemical element for Oxygen | O |
What is the Chemical element for Iron | Fe |
What is the chemical element for Copper | CU |
What is the chemical element for magnesium | Mg |
What is the chemical element for Chlorine | Cl |
What are the four major spheres or systems on and in earth | crust, mantle, outer core and inner core |
What is a type of graph | bar |
What is mechanical weathering | causes physical disintegration |
What is chemical weathering | breakdown of rocks |
What is weathering | breakdown of rocks |
What is erosion | moving of rocks |
What are some characteristics of landforms created through erosion | canyons, rivers |
What are the metric unit prefixes | kilo hecto deka deci centi milli |