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science final guide
| Question | Answer |
|---|---|
| What are the layers of the earth? | Crust, mantle, outer core, inner core. |
| Describe earths mantle | The mantle is made out of rock that is very hot, but solid. |
| What happens when converging boundaries collide? | one of the plates come up. |
| What are the 3 types of faults? Compare and contrast them | Strike-slip, reverse, normal. They all move. They all move in different ways. |
| Where would you find volcanoes? | Along the ring of fire. |
| What land form would be created by continental plate collision? | A mountain range. |
| What is the convection currents job? | To transfer heat within a fluid. |
| Theory of plate tectonics. | Earth's plates are in a slow, constant motion, driven by convection currents in the mantle. |
| What are the 3 types of plate boundaries and what do they form? | Divergent, convergent, transform. Divergent - rift valley Convergent - mountains Transform - a fault |
| What are the 3 types of rock; where are they found and formed? | Sedimentary - found in oceans, rivers, and deserts; formed by weathering, erosion, deposition, and compaction. Metamorphic - found in mountains; A sedimentary or igneous rock heated by the mantle Igneous - found at divergent plate boundaries; |
| Law of superposition | In undisturbed horizontal sedimentary rock layers the oldest layer is at the bottom. Each layer above it is younger. |
| How do rocks change into each other? | They change into each other by weathering and erosion, deposition, heat and pressure, melting and volcanic activity. |
| What are the erosion processes? | running water, wind, ice |
| What are the weathering processes? | Freezing and thawing, plant roots, acid |
| How are sinkholes and caves formed? | Sinkholes - formed by ground water dissolving limestone below the surface. Caves - Water above sinks under ground and dissolves the limestone. |
| What are types of glaciers? What are other types of land features? | Glaciers - continental, valley Land features - mountain, river, valley |
| What is the difference between show and wild caves? | Show caves are public caves where people can go inside, Wild caves are dangerous caves that allow no people inside. |
| What is the smallest unit of life? | A cell |
| What is the difference between multi cellular and unicellular? | Multi cellular - cells carry out life through multiple cells. unicellular - cells carry out life through one cell. |
| What are the functions of these systems: circulatory, digestive, and nervous? | Circulatory - transports oxygen, nutrients, and wastes; fights infection; helps regulate body temperature Digestive - breaks down food; absorbs nutrients; removes food wastes Nervous - controls body's responses to changes inside and outside environments |
| What are some of the structures and functions of plant and animal cells,. | Nucleus - controls the cell Ribosomes - produce proteins Cell membrane - controls which substances pass in and out of the cell. |
| Differences between plant and animal cells. | Animal cells have lysomes, while plant cells have a cell wall and chloroplasts. |
| Purpose of mitosis. | cell regeneration, growth, and asexual reproduction. |
| How does zygote develop into an embryo | It divides many times by mitosis. |
| First 3 stages of mitosis and what they do. | Prophase - chromosomes condense into shpes that can be seen under a microscope. Metaphase - each chromosome attaches to a spindle fiber at its centromere. Anaphase - the cenetromere of each chromosome splits. |
| last stage and short description of mitosis | Telophase - the chromatids move to opposite ends of the cell and two nuclei are formed. Mitosis - The cell's nucleus divides into two new nuclei and one set of DNA is distributed into each daughter cell. |
| what are the functions of the exertory system and the respiratory system. | Exertory - removes waste from the body Respiratory - brings in oxygen needed in cells; removes carbon dioxide from the body. |
| Draw and label parts of the plant and animal cell and compare and contrast them | I Drew both cells on the study guide. Animal cells have lysomes, while plant cells have a cell wall and chloroplasts. They both have a nucleus and ribosomes. |
Created by:
kwinkler
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