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Semester 2 Jeopardy Review 7th Grade Science MCMS 2014 Round 2 Round 1 Catchin’ Some Waves Layer Up Rockin’ it Out Movin’ & Groovin’ Playin’ in the Dirt 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 Catchin’ Some Waves– 10 points Visible light, ultraviolet light, and gamma rays are examples of this type of radiation/energy. Electromagnetic Next Question Catchin’ Some Waves– 20 points The girl’s sweatshirt is blue because it _________ the blue wavelength of light. reflects Next Question Catchin’ Some Waves– 30 points The loudness of a sound is measured in units called _________. decibels Next Question Catchin’ Some Waves– 40 points The electromagnetic rays with the lowest frequencies also have the _______ wavelengths. longest Next Question Catchin’ Some Waves– 50 points Name 2 media through which sound can travel. Through which will sound travel fastest? Fastest—solids (ex. steel); “medium”— liquids (ex. water); Slowest—gases (ex. air) Next Question Layer Up– 10 points The layer of earth that would experience the greatest amount of pressure. Inner core Next Question Layer Up– 20 points The theory that states that earth’s plates move slowly and constantly. The Theory of Plate Tectonics Next Question Layer Up– 30 points These types of waves can be analyzed to gain indirect evidence about earth’s layers. Seismic waves Next Question Layer Up– 40 points Movements in earth’s liquid outer core are believed to cause this. Earth’s magnetic field Next Question Layer Up– 50 points Convection currents (and therefore plate movement) would stop IF this occurred. Heat source was removed (the earth’s core cooled off) Next Question Rockin’ it Out– 10 points This type of rock forms under great pressure, deep underground. Metamorphic Next Question Rockin’ it Out– 20 points This type of igneous rock forms when lava that erupts onto earth’s surface cools. Extrusive igneous rock Next Question Rockin’ it Out– 30 points This type of igneous rock forms when magma cools below earth’s surface. Intrusive igneous rock Next Question Rockin’ it Out– 40 points Seismic waves carry energy through rock in all directions away from this point. The focus of the earthquake Next Question Rockin’ it Out– 50 points Igneous rock is most likely to be finegrained or no-grained if it cooled here. On earth’s surface (extrusively) Next Question Movin’ & Groovin’– 10 points Wegener used these as evidence that Antarctica’s climate was once much warmer than today. Fossils of plants Next Question Movin’ & Groovin’– 20 points When two plates spread apart below the ocean floor, this feature develops. Mid-ocean ridge Next Question Movin’ & Groovin’– 30 points When an oceanic plate converges with another plate and subducts below it, this feature develops. Deep-ocean trench Next Question Movin’ & Groovin’– 40 points This type of boundary is found at a midocean ridge. Divergent Next Question Movin’ & Groovin’– 50 points This type of fault forms when two plates slide past each other horizontally. Strike-slip fault Next Question Playin’ in the Dirt– 10 points What process could carry away the soil of a freshly plowed field that sits on a hill? erosion Next Question Playin’ in the Dirt– 20 points A mountain range that has experienced a lot of erosion will appear this way. More rounded, less jagged Next Question Playin’ in the Dirt– 30 points Frost wedging is an example of this type of weathering. Mechanical Next Question Playin’ in the Dirt– 40 points What is missing from the following list of soil “ingredients”? Rock, nutrients, air, water, and… Decayed living things (organic material) Next Question Playin’ in the Dirt– 50 points Name the soil conservation method that helps by (1) returning soil nutrients (2) retaining moisture and (3) holding soil in place. Conservation plowing (plowing plant material back into the soil after a season) Next Question Final Jeopardy Round 2 Old… Really Old Cells, Cells And More Cells Body Shop How Good is Your Memory 20 20 20 20 20 40 40 40 40 40 60 60 60 60 60 80 80 80 80 80 100 100 100 100 100 Old… Really Old– 20 points Preserved remains or traces of organisms that lived in the past are called fossils Next Question Old… Really Old– 40 points A geologist finds two fossils and tells you that fossil A is older than fossil B. What can you most likely conclude about where these fossils were found relative to each other? Fossil A was found deeper in Earth’s crust that Fossil B. Next Question Old… Really Old– 60 points Name the geologic “rule” that states that older rock layers are found below younger rock layers in earth’s crust. Law of Superposition Next Question Old… Really Old– 80 points The record scientists use to summarize the life forms and geologic events of Earth’s history is called the Geologic Time Scale Next Question Old… Really Old– 100 points Name one circumstance in which rock layers might not be found in the expected order (youngest to oldest). If unconformities occur (a layer was eroded away in the past); or if folding occurs (older layers get folded on top of newer layers) Next Question Cells, Cells– 20 points The basic unit of structure & function that is classified as a living thing is known as this. cell Next Question Cells, Cells– 40 points The theory that states that all living things are made of cells. The Cell Theory Next Question Cells, Cells– 60 points When a one-celled organism divides in two, it has done this. Reproduced Next Question Cells, Cells– 80 points The stage of the cell cycle that makes up most of a cell’s life is this. Interphase Next Question Cells, Cells– 100 points The stage of mitosis during which cytokinesis happens. Telophase Next Question And More Cells– 20 points These types of cells contain a cell wall and chloroplasts. Plant Cells Next Question And More Cells– 40 points The shape of a cell is often a clue about its _________. Function/job Next Question And More Cells– 60 points Our cells get nutrients such as lipids, carbohydrates, & proteins from this. The food we eat Next Question And More Cells– 80 points Chromosomes get copied during this stage of the cell cycle. Interphase Next Question And More Cells– 100 points After 12 divisions, one cell could become this many cells. 4,096 Next Question Body Shop – 20 points This system transports oxygen, blood, and some wastes throughout the body. Circulatory Next Question Body Shop– 40 points Both the nervous system and this system help control reactions in the body. Endocrine Next Question Body Shop– 60 points The body system in which the kidneys are found. Excretory Next Question Body Shop– 80 points The body system in which the thyroid is found. Endocrine Next Question Body Shop– 100 points Name one major organ from 5 different body systems. Long list, will vary (see pages 562-563) Next Question How Good is Your Memory?– 20 points The area(s) inside earth where convection currents are thought to occur. Mantle & Outer Core Next Question How Good is Your Memory?– 40 points When a hotter/less dense material rises and the cooler/more dense material around it sinks, this can occur. Convection current Next Question **How Good is Your Memory?– 60 points A force of attraction between objects that is directly related to the mass of the objects. Gravity **not on final exam Next Question **How Good is Your Memory?– 80 points Taking the speed of an object divided by the time it took to get to that speed would tell you this. The object’s acceleration **not on final exam Next Question **How Good is Your Memory?– 100 points The law which states that the amount of force needed to accelerate an object is directly related to its mass is… Newton’s Third Law **not on final exam Next Question Final Jeopardy Write down the amount you wish to wager on this question Final Jeopardy The region of the Great Plains where farmers plowed up grasses only to have their topsoil erode away were named this. The Dust Bowl