click below
click below
Normal Size Small Size show me how
Vocabulary Quiz #4
Term | Definition |
---|---|
Classify | To put into groups. |
Mass | How much matter is in something |
Volume | How much space something takes up. Measured in liters or milliliters. A graduated cylinder can be used to measure volume. |
Matter | Anything that takes up space. |
Buoyancy | Able to float because of its shape. Ex. A ball of aluminum foil will sink, shape it like a boat and it floats. |
Density | The amount of molecules in matter that allows it to sink or float. Example |
Weight | The measure of the pull of gravity on an object. |
Gravity | A force that pulls towards the center of another object. |
Physical properties | A characteristic of a substance that can be measured or observed. Use your five senses. |
Phases of Matter/States of Matter | Solid, liquid and gas. |
Filter | Cloth like material used to separate liquids from larger particles. |
Solid | Has a definite shape and volume, tightly packed together, does not flow easily and cannot be poured from one container to another. |
Liquid | Does not have a definite shape but does have a definite volume. Changes to the shape of its container and flows easily. Particles are more tightly packed than gases but less tightly packed than solids. |
Gas | Does not have a definite shape or volume, flows easily from one place to another, particles of gases are less tightly packed than liquids and solids and expands freely to fill any space available. |
Evaporation | Liquid changing to a gas. |
Condensation | Gas changing back to a liquid. Examples |
Mixture | Two or more substances that keep their own physical properties and tend to be easier to separate. Ex. Fruit salad or trail mix |
Solution | A type of mixture in which one substance dissolves in another and tends to be more difficult to separate. Physical properties of the ingredients will change. Ex. Lemonade or salt water |
Soluble | Able to dissolve in liquid. |
Dissolve | To form a solution with another substance. Becomes so small you can no longer see it but it’s still there. |
Dispose | To throw away or to get rid of. |
Procedure | Steps followed during an experiment. |
Variable | The part of an experiment that either changes or is controlled. |
Observation | Noticing something about the world around you. |
Inference | Using clues to find the answer. |
Magnetism | A force that can attract (pull closer) or repel (push away) magnetic materials. The magnetic metals are iron, nickel, cobalt, and steel. |
Conductor | A material that allows electricity or heat to pass through it easily. Usually metals and even water. Ex. Aluminum, silver, platinum, iron |
Insulator | A material that does NOT allow electricity or heat to pass through it easily (paper, plastic, cloth, rubber, wood, Styrofoam, cardboard, glass, porcelain) |
Attract | A force that causes objects to pull together. |
Repel | A force that causes objects to push back or away from one another. |