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Science Final
8th HSES Final
Question | Answer |
---|---|
What is the educated guess to a scientific problem? | The Hypothesis |
What is the dependent variable? | The factor that is the result of the independent variable. |
What is the control? | The standard that the results will be compared to in the experiment. |
What is cleavage? | When a mineral breaks into smooth, flat surfaces. |
What is Moh's hardness scale? | A list of minerals ranked according to hardness. |
What type of rocks are formed by magma or lava cooling? | Igneous. |
What type of rocks are formed from smaller rock particles fusing together by cemanting and compacting? | Sedimentary. |
What type of rocks are formed by heat, pressure, and chemical reactions? | Metamorphic. |
What is the classification for layered, metamorphic rocks? | Foliated. |
What major process breaks down rock into smaller pieces? | Mechanical Weathering. |
Liquid rock below the surface? | Magma. |
Liquid rock above the surface? | Lava. |
What causes earths core to be solid? | Pressure. |
What is the compund of silicon andd oxygen? | Silicate. |
What are the 4 phases of matter? | Liquid, solid, gas, and plasma. |
What process wears away surface materials? | Erosion. |
What is a bend n a river formed by erosion? | Meander. |
What is produced when sulfurous gases mix with water vapor in the atmosphere? | Acid rain. |
What concept did Alfred Wegener come up with? | Continental drift. |
What is the name of "the single landmass of earth"? | Pangaea. |
The age of the rock gets _________ the further away it is from the ridge? | Older. |
What is the name of the boundary where it goes on top of eachother? | Convergent boundary. |
What is the name of the boundary where they slide past eachother? | Transform boundary. |
What is the name of the boundary where the move away from eachother? | Divergent. |
What is the name of the fault where they pass eachother? | Strike-slip. |
What is the name of the fault where the plate moves to the left? | Reverse. |
What is the name of the fault where the plate moves to the right? | Normal. |
What telescope uses lenses to bend light? | Refracting telescope. |
What type of telescope uses mirrors to bounce light? | Reflecting telescope. |
Which law of motinon explains how rockets work? | Law of action/reaction. |
What law of motion states that a force is created by an accelerating mass? | Law of acceleration. |
Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest? | Law of inertia. |
Which law of motion states that for every action there is an equal and opposite reaction? | Law of action/reaction. |
What type of spacecrafts were ISS, Mir, and US Skylab? | Space stations. |
What type of spacecrafts were Columbia, Challenger, Atlantis, Discovery, and Endeavour? | Space Shuttles. |
What is the amount of time it takes an object to make one full spin on its axis? | Rotation. |
What is the amount of time for one object to make one full trip around a larger object? | Revolution. |
What was the purpose of the appolo program? | To land a person on the moon. |
What is the heliocentric solar system? | When it revolves around the sun. |
What does gravity depend on? | Distance and mass. |
What happens in a solar eclipse? | Moon passes in front of the sun. |
What happens in a lunar eclipse? | Sun passes in front of the moon. |
What is the hottest planet? | Venus. |
What planet has Olympus Mons? | Mars. |
What are Pluto, Eris, and Ceres? | Dwarf planets. |
What is the circulation of air due to hot air rising and cooler air sinking? | Convection. |
What pressure does hot air rising cause? | Low pressure. |
What is the movement of air from one place to another? | Wind. |
What is the natural phenomenon that occurs in the northern hemisphere where air is deflected to the right? | Coriolis effect. |
What is the measurement of the amount of water vapor in the atmosphere? | Specific humidity. |
What is the large air mass with high amounts of moisture that comes from the Gulf of Mexico? | Maritime Tropical. |
What is the frozen precipitation the forms as a result of strong winds carrying the water above the freezing line? | Hail. |
What severe weather causes the most deaths every year? | Flash Flooding. |
What measures relative humidity? | Psychrometer. |
What is sinking low pressure that picks up debris? | Tornado. |
What cloud makes thunderstorms? | Cumulonimbus. |
What air mass brings in cold, dry air? | Continental polar. |
What is created by the separation of electrical charges that are discharges between the cloud and ground? | Lightning. |
What is the symbol for a cold front? | Triangles on top of a line. |
What is the symbol for a warm front? | Semicircles on top of a line. |
What is the symbol for a stationary front? | Semicircles on top of a line and triangles on bottom. |
What is the symbol for an occluded front? | Alternating semicircles and triangles on top of a line. |