The purpose is to observe the water-absorbing ability of lichens which may be used to explain the north-seeking habit of the plant. Things Required:Glass of waterEye-dropperLichen samples (a pale green scaly or leaf-like crust found on the bark of trees)Microscope or hand lensCompassDirections:Use the compass to determine the direction that the side of the tree […]
There are hundreds of varieties of apples to choose from. Which do you bite and which do you bake?Things Required:1 red or golden delicious apple1 Rome, York Imperial, Stayman, Winesap or Jonathan apple2 to 3 tablespoonfuls of sugar or raisinsDash of nutmeg (optional)Water Directions:Core both apples and cut away a circle of peel at the
Plants need water, nutrients and sunlight to grow properly. Their growth changes when any one of these three factors is lacking. In this experiment we will try to measure the growth rate of a plant stem grown in the shade.Things Required:2 green onionsGlassSoilRulerMarking pen, red or black Directions:Measure about 6 inches (15 cm) from the
What is growing season, and how does the temperature affect the growth of a plant?Things Required:8 pinto beansPaper towels2 drinking glassesDirections:Prepare both glasses as follows:a. Fold one sheet of paper towel and line the inside of the glass with it.b. Wad the sheets of paper towels and stuff them into the glass to hold the
You will need: Large bowl Small toy (to be used asthe victim) Jug of water Large box of cornstarch Understand the scary composition of quicksand and why it is so tricky to get out of it once someone has fallen in. INSTRUCTIONS Take a large bowl and add about a quarter of the cornstarch from
The sprouts used in salads actually sprout from beans. You can easily sprout your own.Things Required:6 tablespoonfuls of mung beans, chick-peas or lentilsCheeseclothLabels and pencil3 clean glassesWarm waterString or rubber bandsDirections:Cull the beans.Soak 4 tablespoonfuls of the beans overnight in warm water. Then drain them and divide them between two clean glasses. Put a layer
This experiment shows you what propagation is all about. In this experiment, you will see that a new plant develops from the parts of an old plant.Things Required:4 potatoesPotting soilQuart jar (liter jar)Directions:Place the potatoes inside a dark cabinet. Check the skin of each potato daily for small white growths called “eyes”. Ask an adult
You will need: Sand Large straight stick(2 feet long) Pebbles + Chalk Large shallow dish Watch INSTRUCTIONS Take your large shallow dish outdoors and fill it with sand. Place it in an areawhere there is plenty of undisturbed sunlight. Fix the straight stick into the sand, in an upright position at the very centre ofthe
You will need: 12 pieces of coal 2 tablespoonfuls of salt 2 tablespoonfuls ofammonia 4 tablespoonfuls of ujalaor any other ‘blue’fabric whitener Food colour Glass jar Plastic plate Spoon Try turning coals into beautiful crystals with this fun experiment. INSTRUCTIONS Firstly, prepare the solution to be pouredover the coal pieces. Take the salt,ammonia and ujala,
Most legumes have a bland flavour. We season and flavour them to make them taste good.Either tomatoes or lemon juice will make legumes tasty. And their vitamin C makes the iron in the beans easier to absorb. But not if our timing is off. Things Required:6 tablespoonfuls of lentils or presoaked beans4 tablespoonfuls of tomato
You will need: 4 clear glasses Red and blue foodcolour 2 square pieces of cardpaper Hot water (2 glasses) Cold water (2 glasses) Understand the science behind hot springs by conducting a simple experiment using hot and cold water. INSTRUCTIONS This experiment can get messy, so perform it outdoors. Firstly, fill a glass with cold
Can we grow a new plant from a cutting? This simple experiment is all about it.Things Required:House plant, such as ivyScissorsJar Directions:Cut off a stem with leaves from the plant. Place the cut end of the stem in a jar filled with water. Observe the bottom of the stem for several days.This Is What Happens:Tiny
Despite their importance in our diet, beans often make us feel bloated and give us gas. Here’s how to make them “user friendly” when we eatThings Required:6 tablespoonfuls of black beans or chick-peas A colander or strainer3 potsCold water Directions:Place one-third of the beans in one of the pots and cover them with a cup
You will need: Plastic container Rocks (limestone, sandstone, granite, etc.) Water Figure out which kinds of rocks are more prone to breaking once they have been frozen and thawed a few times with this experiment. INSTRUCTIONS Try hypothesizing with yourfriends, on which type of rock will bemost prone to breaking and crackingafter freezing. Place the
You will need: Glass bowl Knife Water Root end of springonion (could also useroot end of carrots,onions, garlic, etc.) We have tried growing plants from seeds. Now,try growing vegetables from the left-over scrap of old vegetables. INSTRUCTIONS Ask an adult to help you chop off one inch off the spring onions, from the root end.