You will need: Caterpillars or butterflylarvae (local pet stores) Flowers Twigs, small branchesand leaves Soil Plastic dish Internet access Water Butterflies look beautiful flitting from one flower to another. Create a habitat for them and enjoy watching them in your own backyard. INSTRUCTIONS Choose a spot outdoors to create the habitat. Flowers like sunflowers, lilacs, […]
This simple experiment demonstrates transpiration, the loss of water from leaves.Things Required:Growing plantPlastic sandwich bagTape (cellophane)Directions:Place the sandwich bag over one leaf. Secure the bag to the stem with the tape. Place the plant in sunlight for two to three hours.Observe the inside of the bag. This Is What Happens:The droplets of water collect on
You will need: Plain white scarf(preferably silk) Knife & spoons ½ cup of vinegar Water Natural colours (purplecabbage, onion,beetroot, coffee, etc.) Large steel vessel Gas burner Create your very own style statement with an all-natural dyed scarf. INSTRUCTIONS Depending on the colours you want onyour scarf, use the natural materials. You could make your scarf
Plants feed us, but how do plants get fed?Things Required:A stalk of celery with its leaves1 teaspoonful of red food colouringA half glass of waterDirections:Stand the stalk of celery in a half glass of water coloured with a teaspoonful of food colouring. Start it off in bright light and let it remain overnight. This Is
This will show you which side of the plant leaf takes in gases.Things Required:Potted plantVaseline Directions:Coat the top of four leaves with a heavy layer of Vaseline. Coat the underside of four leaves with a heavy layer of Vaseline. Observe the leaves daily for one week.Is there any difference in the two sets of leaves?This
Compare the taste and feel of different sugars and honey in these great cookies.Things Required:1½ cups of flour1½ sticks or 170g margarine or butter2 tablespoonfuls of white sugar2 tablespoonfuls of brown sugar1 Tablespoon honey1½ tablespoonfuls of lemon juiceBowlsWooden spoonCookie sheetsTeaspoon Directions:Preheat the oven to 350°F (175°C).Soften the margarine at room temperature before you start to
You will need: Rectangular cardboardbox Old CD/DVD Cardboard roll (toilet paper roll) Scissors & pen knife Aluminium foil Ruler Cello tape Spectroscopes help to understand the refraction of light. But instead of using a prism or a fancy scientific spectroscope, create your very own at home. INSTRUCTIONS You have to make 2 cuts in the
The purpose of this experiment is to demonstrate that starch, a food substance, is produced in leaves.Things Required:Paper towelsTincture of iodineLeaf, pale greenRubbing alcoholShallow dishPint (500 ml) jar with a lidMeasuring cup (250 ml) Directions:Place the pale green leaf in the jar. The paler the leaf, the easier it will be to extract the green
When we feel hungry, we often reach for a sweet/candy bar. But suppose, we ate a piece of fruit instead.Things Required:1 medium-size apple1 medium-size bananaTootsie RollsPieces of chocolateDirections:For your afternoon snack, try a Tootsie Roll one day and an apple the next. On a third day, try chocolate. On the fourth, eat a banana.This Is
In this experiment, you will determine the effect of dissolved nutrients on the freezing rate of water. How does this affect the freezing rate of plants?Things Required:Salt2 5-ounce (150 ml) paper cupsMeasuring spoon-teaspoon (5 ml)RefrigeratorMasking tapeMarking pen Directions:Fill both cups with water; label one salt-water and the other water. Add 1 spoon of salt to
You will need: Large thick rectangular piece of cardboard Piece of cottonq Warm water Rubber band Table fan Tape 2 alcohol therm Note the increase or decrease in humidity levels with your very own psychrometer. INSTRUCTIONS Take your cardboard, and holding itvertically, attach the thermometers to the cardboard with tape. Make sure the bulbs of
Here’s another way to tell whether a substance is salt or sugar! Things Required:1 tablespoonful of salt2 cupsFood colouring 2 colours1 tablespoonful of sugar waterAn ice cube tray with separatorsDirections:Fill the cups halfway with water and colour each one with a few drops of a different food colouring. Dissolve the salt in one cup and
Perform this example and see how leaf structure affects its freezing.Things Required:Lettuce leafCelery leafGreen onionPaper towelDirections:Place the vegetables in a freezer on the paper towel. Check them every 2 minutes to determine which freezes first. This Is What Happens:The lettuce and celery leaves froze first and the onion took a much longer time to freeze.Science
You will need: Samples of soil from varied locations (such as lawn, garden, riverbank, field, etc.) 2 large glass jars Box of baking soda Bottle of white vinegar Clean water We all know that plants need soil to grow. But do you know that the acidity levels in soil also vary? Find out which plants
If someone pulled the labels off identical containers of sugar and salt, could you tell which was which? There are ways to tell besides tasting them.Things Required:1/4 teaspoonful of salt2 small saucepans1/4 teaspoonful of sugar Directions:Place the salt in one of the pans and the sugar in the other. Heat each for a few minutes