7th grade final exam terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Observation | information gathered by any of your five senses
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| Inference | a logical conclusions based on observations or prior experience
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| hypothesis | a logical prediction about the outcome of an experiment
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| photosynthesis | how plants make their own food- take in Carbon Dioxide and release Oxygen
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| Adaptation | the changes in an animals body over time (millions of years) that help it to survive and reproduce in its environment
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| Insect | an organism with 6 legs, 3 body parts and an exoskeleton
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| Pollination | the process of a flower's pollen being transported to another flower to make a fruit
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| pollen | male sperm cell of a flower
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| ovule | female reproductive cell of a flower
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| anther | male part of a flower with pollen
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| stigma | female part of the flower that pollen must land on for pollination
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| ovary | the female part of a flower that grows the seed once the egg is fertilized with pollen
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| Cotyledon | the part of a seed that provides energy to the very early plant before it reaches the sun to make its own food
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| seed coat | the outer layer of a seed that protects it
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| Cell wall | a part of a plant cell (NOT animal cell) that gives the cell a rectangular shape and helps prevent it form drying out
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| mammal | an organism that produces milk for its babies, has hair and is warm-blooded
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| amphibian | an organism that is cold-blooded and lives in both land and water
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| reptile | an organism that has scales and is cold-blooded
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| Igneous rock | a rock that is made from cooled magma or lava
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| Extrusive | an igneous rock that is formed on the surface of the earth from cooled lava
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| intrusive | an igneous rock that is formed under the earth from cooled magma
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| magma | molten (melted) rock under the Earth's surface
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| lava | molten (melted rock) on the Earth;s surface
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| Metamorphic rock | a rock formed by heat and pressure
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| Sedimentary rock | a rock made from sediments that are compacted and cemented together
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| sediments | pieces of shell, dirt and sand
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| rock cycle | the cycle that shows how rocks change from one type to another
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| weathering | the process of breaking down rocks into smaller pieces
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| physical weathering | the process of breaking down rocks by force (not chemicals); such as frost wedging
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| chemical weathering | the process of breaking down rocks by chemicals; such as acid rain
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| fossils | teh preserved remains of dead organisms that are buried in layers of sediments; over time these layers of sediments turn into sedimentary rock and create the fossil
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| Erosion | the process of broken down rocks and sediments getting transported away; agents of erosion include water, ice, wind and gravity
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| seasons | caused by the tilt of Earth's axis towards the North Star AND Earth's revolution around the sun
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| day and night | caused by the rotation of the Earth on it's axis
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| rotation | Earth's spinning on it's axis
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| revolution | Earth's circular orbit around the sun
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| orbit | another word for revolution
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| lunar eclipse | when the moon's orbit takes it behind the Earth so that the Earth blocks sunlight from reaching the moon
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| solar eclipse | when the moon's orbit takes it in front of the Earth so that the moon casts a shadow on the Earth as it blocks the sunlight from reaching the Earth
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| solar system | all the planets, stars and galaxies in an area
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| living | something that has all 8 characteristics of life, including made of cells, reproduces, breaths, needs food & water
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| non-living | something that has never been alive and never will be; like a table
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| dormant | something that doesn't show signs of life until it is in the right environment; like a seed placed in water
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| tectonic plate | the HUGE masses of land that cover Earth's crust; they are moving VERY slowly every year
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| divergence (or divergent plate boundary) | when 2 tectonic plates move away form each other; creating ocean trenches and sea floor spreading
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| convergence (or convergent plate boundary) | when 2 tectonic plates move towards each other; creating mountains and volcanoes
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| transform (or transform plate boundary) | when 2 tectonic plates slide past each other, creating earthquakes
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| continental drift | the theory that all the continents used to be connected together and that over time they have drifted (spread) apart to how they look now
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| exoskeleton | the hard outer covering or an insect
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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