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Vocab for the year
science MSL review 7th grade
| Question | Answer |
|---|---|
| What is the force that works against motion? | friction |
| Which type of friction produces no heat? | static |
| What do you call any push or pull? | force |
| Velocity includes speed and______. | direction |
| Isaac Newton published the 3 laws of ________. | motion |
| What do all forces come in? | pairs |
| If the objects are not moving then they are ___________. | balanced |
| Which type of energy is stored? | potential |
| Which type of energy is doing work and is in motion? | kinetic |
| The forces that occurs when two substances rub together is ______ | friction |
| Which type of friction occurs when objects move through air or water? | fluid |
| What do you call the force of gravity on an object? | weight |
| A non motorized device that makes work easier. | simplemachine |
| The tendency for an object to be lazy or keep doing what it is doing. | inertia |
| All living things are made of.. | cells |
| The tendency for an animal to control its internal environment and remain stable. | homeostasis |
| The specialized parts of a cell. | organelle |
| The thick, gel, liquid which holds and protects the organelles. | cytoplasm |
| The organelle that is the control center of the cell. | nucleus |
| The organelle that makes the energy for the cell. | mitochondria |
| The cell wall is the stiff, hard structure that surrounds ______ cells. | plant |
| The organelle in plant cells that perform photosynthesis. | chloroplast |
| Single celled organisms usually found in water. | protist |
| What do you call a group of cells that do the same job? | tissue |
| What do you call a group of tissues doing the same job? | organ |
| Which human body system produces blood cells? | skeletal |
| A piece of tissue that connects a bone to a bone. | ligament |
| The slippery, flexible material found at the end of bones. | cartilage |
| The soft, spongy tissue found inside bones. | marrow |
| Muscles you have no control over such as digestion. | involuntary |
| The muscle type found only in the heart. | cardiac |
| The pigment that gives skin its color. | melanin |
| The muscular tube that takes food from the mouth to the stomach. | esophagus |
| The muscular organ where food is mixed with hydrochloric acid. | stomach |
| Fats that are usually a solid at room temperature and can raise cholesterol. | saturated |
| A waxy, fat-like substance that can lead to heart disease, and is only found in animals products. | cholesterol |
| The type of digestion where food is broken into smaller pieces or torn apart. | mechanical |
| After food leaves the pharynx where does it go? | esophagus |
| Which digestive organ produces bile to help break up fats? | liver |
| Which digestive organ produces insulin to help break down starches and carbohydrates? | pancreas |
| The vestigial organ attached to the large intestines. | appendix |
| The flap of tissue that closes over the windpipe to prevent food from going down. | epiglottis |
| The involuntary contractions that push food through the digestive system. | peristalsis |
| The muscular organ that pumps blood through the body. | heart |
| The blood vessel that carries blood away from the heart. | artery |
| The blood vessel that carries blood toward the heart. | vein |
| A flap of tissue that prevents blood from flowing backwards. | valve |
| The largest artery in the body. | aorta |
| The liquid part of blood. | plasma |
| The part of blood that helps it to clot. | platelet |
| The iron containing protein found in red blood cells. | hemoglobin |
| Tiny hairs lining the nasal passage that sweep out things we breathe in. | cilia |
| After air leaves the pharynx where does it go? | trachea |
| Tiny air sacs in the lungs used for gas exchange. | alveoli |
| The passageway for both food and air. | pharynx |
| The organs that filter waste products from the blood. | kidneys |
| The tube that carries urine from the kidney to the bladder. | ureter |
| The opening where urine leaves the body. | urethra |
| The type of reproduction that does not require fertilization. | asexual |
| What is the male gamete? | sperm |
| What is the female gamete? | egg |
| What do you call a fertilized egg? | zygote |
| What do you call a developing human from the 9th week until birth? | fetus |
| The time frame when an egg is released from an ovary. | ovulation |
| The process of physical change when a child's body matures into an adult body. | puberty |
| The type of twins made from two fertilized eggs. | fraternal |
| The type of twins made from one fertilized egg that splits. | identical |
| Which human body system protects us from foreign substances that may enter the body. | immune |
| The main function of this system is to transport nutrients and gases through the body. | circulatory |
| What are the basic building blocks of all organisms? | cells |
| The type of reproduction where offspring are genetically similar to parents. | sexual |
| The type of reproduction which involves only one parent. | asexual |
| Threadlike strands of DNA that carry genetic information. | chromosomes |
| The different versions of a gene. | allele |
| Alleles that are the same. They both are capital or lower case. | homozygous |
| Alleles that are different. One is capital, one is lower case. Also called hybrid. | heterozygous |
| The physical appearances or visible traits of an organism. | phenotype |
| A chart or family tree that tracks the members of a family. | pedigree |
| The genetic makeup or allele combination. | genotype |
| The natural movement of air in the form of a current. | wind |
| A violent, rotating wind that forms over land. | tornado |
| A storm with a violent wind that forms over the ocean. | hurricane |
| What is the main gas found in the atmosphere? | nitrogen |
| The curving global winds formed by the rotation of the Earth. | coriolis |
| The layer of the atmosphere where weather takes place. | troposphere |
| The layer of the atmosphere where "good" ozone is found. | stratosphere |
| The process of water moving from lakes back to the atmosphere. | evaporation |
| A quick moving ribbon of air that moves from west to eat high in the atmosphere. | jetstream |
| Which layer of the atmosphere is found closest to the Earths surface? | troposphere |
| Which step of the water cycle causes clouds to form? | condensation |
| What do you call the average weather over a long period of time? | climate |
| Which step of the water cycle returns fresh water to the Earth? | precipitation |
| Condensation is the change of a gas to a ______. | liquid |
| The study of the atmosphere at a given time and place. | weather |
| In which layer of the atmosphere are jet streams found? | troposphere |
| The process used by plants to release extra water into the atmosphere. | transpiration |
| What does a dry, cold air mass colliding with a moist, warm air mass create? | tornado |
| A natural electrical discharge that can form between clouds or the ground. | lightning |
| Low lying, flat clouds that look like fog. | stratus |
| Plants change ____ energy in to chemical energy. | solar |
| All animal and plant cells are surround by a thin... | cellmembrane |
| In which cell organelle does respiration take place? | mitochondria |
| Where does digestion begin? | mouth |
| Sexual reproduction provides more.... | diversity |
| What are cilia, flagella and pseudopods used for in protists? | moving |
| Which human body system is responsible for removing waste products from the body? | excretory |
| What kind of energy does a stretched rubber band have? | potential |
| When energy changes from one form to another, some of the energy is always lost through ______. | heat |
| The process of cell division used in asexual reproduction. | mitosis |
| The layer of the atmosphere that burns up meteors and shooting stars. | mesosphere |
| The combination of potential and kinetic energy. | mechanical |
| The type of cell division used with SEXUAL reproduction. | meiosis |
| The layer of the atmosphere where meteors burn up. | mesosphere |
| The layer of the atmosphere that contains good ozone. | stratosphere |
| The layer of the atmosphere where aurora's are found. | thermosphere |
| The layer of the atmosphere that is also called space. | exosphere |
| The female gamete. | egg |
| The male gamete. | sperm |
| Each human cell has 46 of these.... | chromosomes |
Created by:
kristie mabry
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