reduce
Tags: [kindergarten, grade 1, grade 2, grade 3, grade 4, recycle, reduce, reuse, garbage, waste, biodegradable, green]  ...
Tags: [kindergarten, grade 1, grade 2, grade 3, grade 4, grade 5, recycle, reduce, reuse, paper, garbage, waste, green]  ...
... one way we can recycle and reduce greenhouse gas emissions associated with landfills. Students learn about plant structures and their functions, and how their small actions can reduce greenhouse gas emissions ...
... the molecule. As a result, water moves into the molecule in order to reduce the concentration imbalance. More and more water is pulled into the molecule until the ratio of sodium atoms to water molecules ...
... reduce garbage output and help out garbage and recycling collectors. Objectives Students will be able to: identify recyclable materials, and sort household recycling Entire Activity These ...
Students build a biodegradable pot and plant a seed inside. Introduction By making a seedling pot out of newspaper, you can reuse newspaper and help reduce greenhouse gas emissions associated with ...
... away to our grocery stores. The fruits that are grown close to home don’t need as much energy to get into our shopping bags. To conserve energy (oil, gas, electricity, etc.) and reduce our carbon dioxide ...
... cup. As the balloon inflates, less of the balloon is in the cup, increasing the volume available to the air molecules trapped inside the cup. This reduces the air pressure inside the cup since the air ...
... happens when the air cools (temperature decreases). As the temperature drops, particles move more slowly, taking up less room. The amount of space the air takes up shrinks, and reduces the air pressure. ...
... chest cavity is increased. Since there is more space available, the air pressure in the chest cavity and lungs is reduced, creating a low-pressure system in your body. The air outside your body immediately ...
... by temperature and density (i.e. how many air particles in a particular space). The Sun heats the Earth unevenly. When air is heated by the Sun, the air particles move faster and expand. This reduces its ...
... tension. The soap reduces the surface tension of the water around it. You can use this effect to make a boat powered by surface tension. The placement of the soap in the small notch at the back of the ...
... — a dye called methylene blue. The methylene blue is reduced (loses oxygen) by the potassium hydroxide and glucose solution and as a result loses its colour. When you shake the bottle, the oxygen in the ...
... travels in the same direction as the slots . We can use polarizing lenses to reduce glare. Light reflecting off horizontal surfaces like the road, water, or snow is horizontally polarized. A polarizing ...
... the brain is able to directly compare their sizes, dissolving the illusion. This illusion can be used to the benefit of people who want to reduce their portion size when eating. Eating on a small dinner ...
... and hollow bones make it easier to counteract gravity. Air sacs inside their bodies make birds lighter, which enables smoother motion through air. The shape of their body helps reduce air resistance when ...
...  Lift comes when the air below the plane wing is pushing up harder than the air above it is pushing down. It is this difference in pressure that enables the plane to fly. Pressure can be reduced on a ...
According to Natural Resources Canada, the average North American will produce 600 times their own weight in garbage over their lifetime. A 68kg person will leave behind a 40,825 trash legacy. By altering ...
Unlike garbage, recyclable materials can be broken down and rebuilt into new items like pillow stuffing, traffic cones or even the lining in ski jackets! Recycling or reusing items reduces the amount of ...