Living Underground Materials Required: Five anthills Paper and pencil We can tell the presence of an anthill, if we see a mass of soil near a small hole. In nature, an animal might walk over the hole and block it. A twig may fall of from the tree and clog its entrance. In such an event, do you think the ants will dig the same hole out again or make a...

Insulated from Water Materials Required: Several thick books Ten large, broad tree leaves Two rulers Paper towel Small glass of water A pencil or stick In order to live, the trees absorb water from the ground through their deep roots. Even though rain falls on the leaves, trees do not get water through them. This is because the surface of the leaves are waterproof. This keeps the water, already in the...

Acids in Liquids Materials Required: An adult A glass of water Litmus paper with a pH scale of 3 to 8 A cup of tea Milk Many people love to drink tea. Some like lemon in it, while the others prefer milk. Does adding milk to tea make it less likely to upset your stomach? If adding milk changes the amount of acid in tea and makes it milder, then probably...

Growing on Their Own Materials Required: Two fresh onions Two fresh potatoes A shoe box with a lid Four weeks, time Pencil and paper Four Toothpicks Plants need moisture and food to grow. Vegetables like onions and potatoes grow all by themselves. Put two fresh potatoes and onions in a shoe box. Place the lid tightly on top of it, so that it is dark inside. Put the box at a...

Understanding Germination Materials Required: One pound plastic butter cup Sandpaper (80 grit) Scissors Watch or clock with a second hand Bean seeds Potting soil Four egg cartons Glue Marking pen Water Pencil and paper Often, the hard coat of a seed needs to be broken down before it can germinate or start to grow. Hypothesize, the seeds that had their coats weakened or scratched will grow ahead of the others. You...

Insulation with Soil  Materials Required: Two small soup cans Two large cans about 5 inches (13 cm) in diameter Two thermometers Soil from your yard Warm water A watch or a clock Many living things find shelter in the ground from varying temperatures, hot and cold. Some animals sleep on the ground during cold winter months. The ground protects plant bulbs and root systems from cold temperatures. Fill two small soup...

Under The Rocks Materials Required: An adult Several large rocks in your neighbourhood A strong stick Pencil and paper Which of the living creatures make their homes under rocks? Find it out by turning over rocks in and around your neighbourhood. You may find ants, larvae, worms, millipedes (many legs), centipedes (a hundred legs), spiders, crickets or beetles but watch out for creatures that bite or sting. Draw pictures of the...

Using Edible Colours Materials Required: Slices of banana, apple, peach, pineapple, kiwi fruit Food colouring Dinner plate Colours are an integral part of our lives. We see them in everything. Manufacturers use colorful packaging to attract consumers. Colours can also change our emotions and moods. Colours are used in holiday decors all over the world. Black and orange are used during Halloween and Christmas signifies red. A lot of blue and...