Physical Science SSA Review
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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| Law of Conservation of Energy | Energy can NOT be created or destroyed... but it CAN change forms.
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| Potential Energy | Stored energy
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| Kinetic Energy | Energy of movement
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| Force | A push or a pull on an object
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| Balanced Force | Does NOT change the speed or direction of the object
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| Unbalanced Force | Changes the speed and/or direction of the object in the direction of the stronger force
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| Law of Gravity | The force of attraction between objects. Its strength depends on the mass of the objects and their distance from each other.
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| Speed (Velocity) | Distance divided by time
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| Mechanical Energy | The combined energy of motion (kinetic) and position (potential)
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| Chemical Energy | Energy stored in chemical bonds
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| Thermal Energy | Heat
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| Sound Energy | Vibrations
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| Radiation | Energy that can travel through empty space EX: heat from the sun
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| Reflection | When light bounces off a surface Ex: a mirror
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| Refraction | When light bends as it goes through a material Ex: objects look larger/distorted in water
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| Absorption | When light stops at the object and is not reflected or refracted
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| Waves | How energy moves
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| Chemical Property | A property that involves changing the substance into something else Ex: the ability to rust or burn
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| Physical Property | A property that can be observed without changing the substance
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| Density | Mass divided by Volume
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| Volume | The amount of space an object fills
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| Mass | The amount of matter in an object
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| Weight | The amount of gravity pulling on an object. This can change if you go to another planet.
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| Chemical Change | Changes what a substance IS. Ex: Burning wood turns to ash
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| Physical Change | Changes the appearance of an object, it it is still the same substance. Ex: tearing a piece of paper
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| Atom | The smallest unit of an element
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| Protons | Positive charge, found in the nucleus
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| Neutron | Neutral charge, found in the nucleus
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| Electron | Negative charge, found in the electron cloud
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| Element | One type of atom, represented by each square of the periodic table
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| Molecule | More than one atom joined together
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| Solid | Atoms are tightly packed together. Have constant shape and volume.
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| Liquid | Atoms are more loosely packed. The volume is constant, but the shape can change.
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| Acid | pH of 0-6. Sour taste, react with metals. Ex: citrus juice, vinegar
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| Base | pH of 8-14. Bitter taste, feel slippery. Ex: Soap, ammonia, baking soda
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| Neutral | pH of 7. Ex: water
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| Homogeneous Mixture | substances are combined and can not be easily separated
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| Heterogeneous Mixture | substances can be easily separated
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| Gas | Atoms are spread far apart and move around freely. Can change volume and shape.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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Created by:
Stszerdy
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