fact and question: adding salt to a solid decreases the freezing point of that solid
Question: Which would freeze last?

What's the answer?

answer: an ocean of water

fact and question: rocks sometimes contain aluminum
Question: A miner is searching for stones and rocks that can be used for other purposes than for building. He wants to be able to find and process something worthwhile, so he looks for rocks with

What's the answer?

answer: aluminium

fact and question: combining two substances chemically causes chemical reactions
Question: A boy puts some vinegar in a glass of some bleach and finds

What's the answer?

answer: both are adjusted

fact and question: if weather is stormy then there is a greater chance of rain
Question: Stormy weather often leads to

What's the answer?

answer:
moisture in rain gauges