POST-IT notes - Science Magic

What enables Post It notes to stay up on any surface? 
Explain how that helps to keep the note up.

(When in doubt, ask other questions that can help you clarify how to answer the question) 

Roasting Chestnuts in China Town

Chestnuts are mixed with sandlike particles for roasting.

What is the purpose of using that?

(When in doubt about a question - always ask this: As compared to what?)

Therefore why should he use the particles instead of just placing the chestnuts straight on the fire?

How would changing the size of the particles affect the cooking?

Explain why.

Sea Bean Marvel

What is in a seed? How do you think it is dispersed?  

Although the Sea Bean is in a pod, it drops off one seed in one section at a time.  

How different is it from other legumes? Why has it developed this adaptation?

How Much Ice?

What is the effect of putting ice cubes in a glass  water? How does the number of ice cubes affect the time taken to melt in the liquid?

Sunny Sunflowers

What are the differences in the two flowers?

One seed or Many seeds? Explain how you came to your conclusion.

Creepy Creepers

What are the similarities and differences in the two plants below.

How do they overcome the problem of their weak stems?

Carnivorous Plants

The following plants are found in the wilderness in marshes and bogs.
Such plants feed on insects.

Compare these carnivorous plants to the ususal food producers.

What could be the cause of their physical and behavioural adaptation?

What are the consequences of their adaptation?

Cranberry Jam in a Jar

This jam was cooked with sugar before being placed in a jar.
What was the purpose of cooking the cranberries first?
How did the fungi grow inside the jar?