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49 Cards in this Set
- Front
- Back
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1st law |
An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. This law is often called "the law of inertia". |
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2nd law |
Acceleration is produced when a force acts on a mass. The greater the mass the greater the amount of force needed to accelerate the object. |
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3rd law |
For every action there is an equal and opposite reaction. |
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Force |
A push or pull that acts upon an object as a result of its interaction with another object |
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Inertia and mass |
If something is moving but has more mass, it will be hard to stop. If something is not moving and has more mass, it needs to have force to move |
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What are atoms? |
the smallest component of an element having the chemical properties of the element, |
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What are protons? |
Positively charged elementary particle that is a fundamental constituent of all atomic nuclei. |
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What are neutrons? |
Elementary particle having no charge, mass slightly greater than that of a proton |
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What are electrons? |
Elementary particle that is a fundamental constituent of matter. It existing independently or as the component outside the nucleus of an atom. |
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What are molecules? |
Smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in compound. |
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What is matter? |
Anything that has mass and occupies space. It is everything around you. Example: a desk, shoes, a chair |
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What are substances? |
Type of matter with uniform properties. |
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What is the atomic composition? |
Atoms - Molecules - Substances |
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What is hydrogen? |
A colorless, odorless, flammable gas that combines chemically with oxygen to form water; the lightest of the known elements. |
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Solid |
Has a relative firmness, coherence of particles, or persistence of form. |
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Gas |
A substance possessing perfect molecular mobility and the property of indefinite expansion. |
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Liquid |
A substance possessing perfect molecular mobility and the property of indefinite expansion; not a gas or solid |
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Thermal energy |
Is the energy that is generated and measured by heat |
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What is heat? |
Heat is generated from the movement of particles |
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What is particle motion? |
a change in position of particles |
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What is temperature? |
Measure of the warmth or coldness of an object or substance with reference to some standard |
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What are phases of matter? |
States in which matter can exist. |
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What is kinetic energy? |
Moving energy |
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What are physical properties? |
Do not change the chemical nature of matter. If measured, these properties and the substances will not change. Example: color, smell, freezing point |
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What are chemical properties? |
Do change the chemical nature of matter. If measured, these properties and the substances will change. Example: the substances will regroup differently |
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Phases of matter |
States in which matter can exist. |
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Chemical reaction |
Rearrangement of molecules of a substance |
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Solubility |
IS A substances ability to dissolve in water |
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What are the 3 R's |
Reduce: To use less waste Reuse: It can be used again Recycle: To use again |
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Sustainable |
Something able to be maintained at a certain rate level (not harming) |
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Normal (force) |
It's when an object is resting and is pushing back at the same force |
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Applied (force) |
When someone is applying more force to the object. The force that the object applies is the greatest. |
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Gravity (force) |
Something that is in our atmosphere. It is a force. |
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Friction (force) |
Force that is applied when objects rub against on another. It normally slows an object down |
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Air resistance |
Something that travels through the air. Force of the atmosphere. (force being applied on an object being on at atmosphere) |
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What is speed? |
How fast or slow something moves in a given amount of timeSpeed = distance/time |
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Mass |
How much matter is in something. |
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What is velocity? |
Speed and direction velocity = distance/time + direction (north, south, east and west) |
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What is acceleration? |
The measurement in the change of velocity of an object |
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What is momentum? |
The property of moving objects that makes them hard to stop Momentum = (velocity)(mass) |
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What are the forces? |
gravity applied normal friction air resistance |
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Inertia |
A tendency of an object to resist change in its motion |
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What is the symbol for oxygen? |
O |
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What is the symbol for nitrogen? |
N |
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What is the symbol for water? |
H2O |
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What is the symbol for sulfuric acid? |
H2SO4 |
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What is the symbol for sugar? |
C12H22O11 |
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What is the symbol for carbon dioxide? |
CO2 |
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What is the symbol for hydrogen? |
H |
