Science Ch 1 Vocab Word Scramble
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Question | Answer |
WHMIS | Workplace Hazardous Material Information System |
Hazard Symbol | warnings printed on containers to indicate that either the container or the product is dangerous. |
Matter | Anything that has mass and volume |
Mass | the amount of matter in a substance or object (often measured in grams) |
Volume | the amount of space a substance or an object occupies (often measured in liters) |
Chemical change | is a change in matter that occurs when substances combine to form a new substance. |
Physical changes | a change in matter in witch the appearance may change but no chemical bonds are broken or made and no new substance is formed. |
State | a property of a substance describing it as a solid, a liquid or a gas. |
Kinetic Energy | the energy of motion |
Kinetic molecular theory | explains what happens to matter when the kinetic energy of particles changes. |
Melting | the change of state form a solid to a liquid. |
Melting point | the temperature were a substance melts. |
Boiling | the change of state from a liquid to a gas. |
Boiling point | the temperature were a substance boils. |
Condensation | the change of state from a gas to a liquid. |
Solidification/freezing | the change of state from a liquid to a solid. |
Sublimation | the change of a state from solid to a gas. |
Deposition | the change of state from a gas to a solid. |
Physical properties | characteristics of matter that can be observed or measured. |
Pure substance | a substance that is made up of only one kind of matter. |
element | a pure substance that cannot be broken down or separated into simpler substances. |
compound | a pure substance composed of at least two elements combined in a specific way. |
electrons | negatively charges particles surrounding the atomic nucleus. |
nucleus | the tiny, dense, positively charged centre of the atom. |
Protons | positively charges particles the atomic nucleus. |
neutron | uncharged particle in the atom nucleus. |
atom | the smallest particle of an element that retains the properties of that element. |
subatomic particles | particles such as protons, neutrons, and electrons that are smaller than atoms |
Created by:
jacob.harris
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