Grade 7 Chapter 6 Life Science Evolution-Evidence of Change

Question Answer _______ are the naturally preserved remains, imprints, or traces of organisms that lived long ago. Fossils Examples of fossils include _____, shells, and footprints. bones A _______ is a scientist who studies fossils. paleontologist The process of _______ is part of an organism’s life cycle. decomposition Decomposition breaks things down into _____ that

vocab

Question Answer the number of electrons in the outermost shell that have the highest energy level and are held most loosely in place valence electrons the number of __________ determines many properties of the element, including ways in which the atom can _________ with other atoms electrons/bonds a symbol for an element surronded by dots

mixtures and solutions

Question Answer Mixture Two or more materials stirred together Property A characteristic of an object something you can observe such as size, color, shape, or texture Solution A special mixture formed when a material dissolves in a liquid. Dissolving Is a process in which one material disperses uniformly into another material, so that the first

Slides 3-end(1,2,3 separate)

Question Answer Tissues are ? collection of structurally similar cells with related function The entire body is composed of only four major types of tissues, which are ? Muscle, Nervous, Epithelial, Connective tissues organs Groupings of the four primary tissues into anatomical and functional units systems Organs may be grouped together by common functions Muscle

the moon

Question Answer Wane to decrease periodically in the extent of its illuminated portion after the full moon Waxing Has the phases called Waxing Crescent and Waxing Gibbous what causes the moon to shine the reflection of the sun How many days does it take the moon to go through an entire set of phases 29.5

Motion

Question Answer Position (X) An objects location at a given time Delta used to indicate change Distance (d) The amount of change of position between an initial position and final position D = X(f)- X(i) Reference point A specific point used to monitor change of position Speed (V) Distance an object travels in a unit

Integumentary, Skeletal & Muscular systems

Question Answer skeletal muscles Voluntary muscles attached to bones and provide the force needed to move the bones tendons connect the skeletal muscles to bones smooth muscles Involuntary muscles that control many types of movement within the body cardiac muscles Involuntary muscle that forms the heart functions of the skeletal system Provide shape and support

Last 16 vocab words of ch.3

Question Answer the opening through which molten rock and gas leave a volcano vent the area covered by lava as it pours out of a volcano's vent lava flow a bowl-shaped area that forms around a volcano's central opening crater the explosion of ash, cinders, bombs, and gases during an explosive volcanic eruption pyroclastic flow

Review Chapter 7

Question Answer Compounds composed of two elements, a nonmetal and a metal (ex. MgBr3) Binary ionic compounds Positive ion charge cations negative ion charge anions ions formed from a single atom (ex. N-3) monatomic ions compounds composed of two elements which are both nonmetals (ex. H2O binary molecular compounds Naming system that involves combining the

space and the universe for grade 5 science

Question Answer sun The star at the center of our solar system. rotate To spin on an axis axis An imaginary line that passes through Earth's center and its North and South poles revolve To travel in a closed path orbit The path one body takes in space as it revolves around another equator An