DIFFICULT ROUND: Science Quiz Bee Intermediate Level (SY 23-24)

1. Mila placed a magnet close to object A. She observed that object A moved, hit object B, and stopped moving. Then, object B moved as shown in the diagram below. Which of the following shows the correct forces acting on object B when it was moving?

• A. gravitational and magnetic force

• B. gravitational and frictional force

• C. magnetic and frictional force

• D. gravitational, magnetic, and frictional force

Mark opened their refrigerator and saw that there was a lot of food, juice, and syrup inside, Juice A had a density of 2 g/mL while Juice B had 1.5g/mL, Candy C had a density of 3g/mL and syrup D has 4g/mL. If Mark will put them all in a container, how will these objects be arranged?

• A. Juice A, Juice B, Candy C, Syrup D

• B. Juice B, Juice A, Candy C, Syrup D

• C. Juice A, Candy C, Juice B, Syrup D

• D. Syrup D, Candy C, Juice B, Juice A

Sheryl placed a water plant in a beaker filled with water as shown in the diagram. She placed a lamp beside the beaker and measured the amount of oxygen dissolved in the water. After some time, the amount of oxygen increased from X to Y as shown in the graph.  Which of the following could she have done in order to increase the amount of oxygen?

• A. B only

• B. A and C only

• C. B, and C only

• D. A, B, and C

Abigail set up an experiment as shown below. The water in Beaker P was heated for some time. It was noticed that the amount of water droplets forming on the metal tray decreased as time went by. Which one of the following would explain why this happened?

• A. I and II only

• B. II and III only

• C. II and IV only

• D. III and IV only

Study the circuit. Bulbs A, B, C, D, and E are identical bulbs with equal brightness. Which 2 bulbs should be removed so that the remaining 3 bulbs light up with equal brightness?

• A. A and D

• B. B and C

• C. C and D

• D. D and E

The diagrams below show the enlarged diagram of parts of the plant and fish. Which of the following about both S and T is/are true?

• A. II only

• B. I and II only

• C. II and III only

• D. I, II, and III

Two identical glasses are placed at positions, R and S, on the balance scale as shown below. Some water from the glass at position R was removed. Which of the following will be observed and which property of water causes this observation?

• A. level tilted downwards at position S, water has mass

• B. level tilted downwards at position S, water takes up space

• C. level tilted downwards at position R, water has a definite volume

• D. level tilted downwards at position R, water cannot be compressed