One student burned a piece of paper weighing 4.8 grams. The table below shows the mass of the materials formed by burning the paper. Material formed Mass of material (in grams) Ash 0.1 Smoke ? Dust 2.5 What is most likely the mass of the smoke formed on burning the piece of paper? (2 points)

Two scientists did the same experiment but arrived at different results. The scientists most likely (2 points)

One scientist discovered a new theory on the evolution of the universe. What is the next step for the scientist to take? (2 points)

A student weighs 29 apples and records the observations in the graph below. Based on the graph, what is the least likely mass of an apple chosen randomly? (2 points)

Which of these questions can be answered using scientific methods? (2 points)

A student weighs 29 apples and records the observations in the graph below. Based on the graph, it can be concluded that about one-tenth of apples weigh (2 points)

Second is the SI base unit for measuring (2 points)

Two states of matter present in the water cycle are described below. State 1: Spreads across the entire volume of its container and takes its shape. State 2: Has a fixed shape. Which of these statements is correct about the two states of matter? (3 points)

Scientists in different parts of the world repeat an experiment several times and get the same result. Which of these is the most likely reason why experiments are repeated to produce the same result? (2 points)

Which of these is a part of the biosphere? (2 points)