Fact 1: Agraduated cylinder is used to measure volume of a liquid. Fact 2: For test cylinders without graduation marks, a manual calibration method has to be used. Given the two facts above, graduation markings are used to measure the what of a liquid?

OPTIONS:
- viscocity
- size
- flow
- volume
- density
- smell
- Decibels
- tube

Answer: volume

Fact 1: Plant reproduction requires pollination. Fact 2: Many plants are pollinated by bees. Given the two facts above, what do bees aid many plants in doing?

OPTIONS:
- Reproducing
- growth
- Obtaining nutrients
- Photosynthesizing
- survival
- staying warm
- Storing water
- support

Answer: Reproducing

Fact 1: Carpooling decreases the amount of cars used to travel to a place. Fact 2: Ozone from cars creates smog. Given the two facts above, how can smog be reduced?

OPTIONS:
- Burning fuel
- Flying airplanes
- air cools
- evaporation
- exercise
- vaporization
- Driving more cars
- Carpooling

Answer: Carpooling

Fact 1: Awarm front causes cloudy and rainy weather. Fact 2: If warm air is advancing on cold air, the front is designated a warm front. Given the two facts above, warm air advancing on what causes cloudy and rainy weather?

OPTIONS:
- streams.
- streams
- Movement
- flooding
- coastlines
- rivers
- rainfall
- cold air

Answer:
cold air