Why do we perform repeated trials in an experiment?
Important Questions on Exploring the Investigative World of Science
Your teacher gives you a challenge: “Take four pots and sow the same type of seeds in each. Now, treat them differently—one pot with soil, water, and sunlight; one without sunlight; one without water; and one in sandy soil. Watch them every day for a week and become a plant detective!”
From the different shapes of leaves to the many kinds of insects—why has nature created such a vast variety?
Name one tool used to measure time in experiments.
You observe three glasses of lemonade. One is too sour, one is bland, and one tastes perfect. Each had different amounts of lemon juice.
Are there more grains of sand on all the beaches and deserts of the world or more stars in our galaxy?
Give one example of a physical change you can observe in the kitchen.
