| K.4 |
The student will investigate and understand that the position, motion, and physical properties of an object can be described. Key concepts include
• colors (red, orange, yellow, green, blue, purple), white, and black;
• shapes (circle, triangle, square, and rectangle) and forms (flexible/stiff, straight/curved);
• textures (rough/smooth) and feel (hard/soft);
• relative size and weight (big/little, large/small, heavy/light, wide/thin, long/short); and
• position (over/under, in/out, above/below, left/right) and speed (fast/slow).
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| K.5 |
The student will investigate and understand that water flows and has properties that can be observed and tested. Key concepts include
• water occurs in different states (solid, liquid, gas);
• the natural flow of water is downhill; and
• some materials float in water, while others sink. |
| 1.3 |
The student will investigate and understand how different common materials interact with water. Key concepts include
• some liquids will separate when mixed with water, but others will not;
• some common solids will dissolve in water, but others will not; and
• some substances will dissolve more readily in hot water than in cold water. |
| 2.3 |
The student will investigate and understand basic properties of solids, liquids, and gases. Key concepts include
• mass and volume; and
• processes involved with changes in matter from one state to another (condensation, evaporation, melting, and freezing). |
| 3.3 |
The student will investigate and understand that objects are made of materials that can be described by their physical properties. Key concepts include
• objects are made of one or more materials;
• materials are composed of parts that are too small to be seen without magnification; and
• physical properties remain the same as the |
| 5.3 |
The student will investigate and understand that matter is anything that has mass, takes up space, and occurs as a solid, liquid, or gas. Key concepts include
• atoms, elements, molecules, and compounds;
• mixtures including solutions; and
• the effect of heat on the states of matter. |
| 6.4 |
The student will investigate and understand that all matter is made up of atoms. Key concepts include
• atoms are made up of electrons, protons, and neutrons;
• atoms of any element are alike but are different from atoms of other elements;
• elements may be represented by chemical symbols;
• two or more atoms may be chemically combined;
• compounds may be represented by chemical formulas;
• chemical equations can be used to model chemical changes; and
• a limited number of elements comprise the largest portion of the solid Earth, living matter, the oceans, and the atmosphere. |
| 6.5 |
The student will investigate and understand the unique properties and characteristics of water and its roles in the natural and human-made environment. Key concepts include
• water as the universal solvent;
• the properties of water in all three states;
• the action of water in physical and chemical weathering;
• the ability of large bodies of water to store heat and moderate climate;
• the origin and occurrence of water on Earth;
• the importance of water for agriculture, power generation, and public health; and
• the importance of protecting and maintaining water resources. |
| 6.6 |
The student will investigate and understand the properties of air and the structure and dynamics of the Earth's atmosphere. Key concepts include
• air as a mixture of gaseous elements and compounds;
• air pressure, temperature, and humidity;
• how the atmosphere changes with altitude;
• natural and human-caused changes to the atmosphere;
• the relationship of atmospheric measures and weather conditions;
• basic information from weather maps including fronts, systems, and basic measurements; and
• the importance of protecting and maintaining air quality. |
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