121 Plus 9 Biology Experiments

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

Can plants be grown without seeds? You will say, “No seeds, no plants.” Wrong. See for yourself.Things Required:SandCarrot tops (ask an adult to cut the tops from several carrots)Shallow container Directions:Fill the container with sand. Thoroughly wet the sand with water. Insert the cut end of the carrot tops in the wet sand. Place in

Unlike green and red vegetables, carrots do not lose their colour when cooked in water!Things Required:1 or 2 carrots, peeled and slicedPot of water Directions:Bring a cup of water to the boiling point.With a large spoon, lower the carrot slices into the pot of boiling water. Cook for 15 to 20 minutes. This Is What

What is the effect of sunlight on plants and why is it necessary for the survival of a plant?Things Required:House plantBlack construction paperScissorsTape (cellophane) Directions:Cut two pieces of black construction paper large enough to cover one leaf on the plant. Sandwich the leaf between the two paper pieces. Tape the paper together. It is important

Have you wondered why green plant life does not occur below 100 metres in the ocean? Here is the answer for your curious brain.Things Required:2 small green potted plants (same variety)Directions:Place one of the plants in a sunny area, and the other plant in a dark closet or cabinet. Leave the plants for 7 days.

How can you preserve the colour of a vegetable better-cooking it covered or uncovered?Things Required:Broccoli or zucchini2 pots, one with a coverDirections:Cut off the stalk and separate the flowers of the broccoli or cut the zucchini into quarters.Cook half the vegetable in a large quantity of boiling water in a covered pot for five to

Light is important for plants to grow. This experiment shows you how plants seek the light.Things Required:House plantDirections:Place the plant next to a window for three days. Rotate the plant 180° and allow it to stand for another three days. This Is What Happens:The leaves of the plant turn towards the window. Rotating the plant

We always start cooking green vegetables in boiling water. Why?Things Required:Broccoli or spinach2 pots Directions:Place half of the broccoli or spinach in a pot half full of cold water. Place the other half in a pot half full of boiling water. Cook both until the vegetables are tender.This Is What Happens:The vegetable in the cold

The purpose of this simple experiment is to observe a plant winding its way towards light.Things Required:Shoebox with a lidPaper cupThree pinto beansPotting soilCardboardScissorsTapeDirections:Fill the cup with potting soil. Plant the beans in the soil. Moisten the soil and allow the beans to sprout (about 5 to 7 days). Cut two cardboard pieces to fit

Restaurants sometimes add baking soda to a vegetable to make it look good or cook faster. Does it work? Things Required:Broccoli flowers or zucchini stripsA pot of boiling water1 teaspoonful of baking sodaDirections:Place the broccoli in the boiling water and add the baking soda.This Is What Happens:The vegetable stays green, but after a short time

This is all about the effect of gravity on the growth of a seed.Things Required:16 pinto beansGlassAluminium foilPaper towelsRecord playerDirections:Place the beans in the glass and fill with water. Allow the beans to soak in the refrigerator overnight. Tear 4 pieces of aluminium foil about one-foot (30 cm) square. Place a paper towel in the

Some nutritious and delicious vegetables don’t always get to our plates because of their unpleasant smell!Things Required:A small turnipA pot of water Directions:Peel the turnip and cut it in half. Cut one half into cubes. Leave the other half whole.Place all the turnip pieces in a pot of boiling water. Test each half with a