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7Science Mid2 REview
7th Grade science Mid-assessment REview
| Question | Answer |
|---|---|
| An example of voluntary muscle is…. | Biceps flexing while lifting weights |
| Function of the circulatory system is to……. | Pump oxygen & nutrients through the blood to every part of the body |
| An incident of work (force x distance) or no work done……same amount of force used | Equal force; opposite directions; no work is done |
| Example of organic compound is….. | Compound with Carbon (C) |
| Large molecules that are broken down into smaller molecules are….. | Butter to Fatty Acids |
| Amino acids are building blocks of large, complex molecules are called….. | Proteins |
| Composition of large molecules matching their type of organic compounds to substances is…… | Chicken-Protein; Potato-Carbohydrate; Vegetable oil-Lipid |
| Table of functions of the skeletal system are …. | Protects vital organs/tissues; provides framework/mobility; produces new red blood cells |
| Bicep contracts exerting force on radius, what is the effect? | Arm bends at the elbow |
| What is the heart’s role in the circulatory system? | The heart provides the force to move oxygen & nutrients throughout the body |
| A situation in which your arms do work on a backpack is….. | Picking up a backpack from the floor |
| The blood circulates throughout the body, what changes take place? | Blood lose oxygen as it travels to all the body cells |
| Provides a framework that supports the body, what system? | Skeletal |
| It protects some internal organs from physical injury, what system? | skeletal |
| It transports oxygen & nutrients to all body cells, what system? | Circulatory |
| What is the equation of work? Work equals (W=.....) | Work equals force times distance (W=FxD) |
| Function of system is for movement of bones, body fluids, and food, which system? | Muscular |
| 5 main functions of the skeletal system are…. | Protects organs; makes blood; allows movement; provides structure; stores minerals |
| Not one of the requirements for work to be done is…… | Force & distance in different direction |
| Muscular & skeletal systems work together like…… | Pulley to an elevator |
| Basic building block of all organisms is the ……. | cell |
| An object that would be used to understand how the human heart works is a…… | Water pump |
| Pictures organism cells are ….. | Look different; shaped differently & perform specialized functions |
| Body weight is supported by structures made of what? | Bone cells |
| Cardiac tissue (heart) are made up of what? | cells |
| What system can cause a stroke when supply of blood to the brain is block? | Circulatory |
| In a running marathon, muscular & skeletal systems work together to do what? | Muscles relax & contract to move the bones |
| Levels of organization using muscular system groups; what is between muscle groups & muscle cells? | Muscle tissues and fibers |
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c9300220
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