Light, Writing, and Materials
Sunlight reflected off Earth that lights up the dark part of the moon is called what?
Earthshine
Did Leonardo da Vinci use soot-based paint to make leaf prints?
Yes - He made ink from soot by collecting the soot from a lamp and then mixing it with oil.
What is the name for trees that drop their leaves each winter?
Deciduous tree
What is the main cause of earthshine?
The clouds (water vapor) reflecting sunlight from the earth back toward the moon.
What is the leaf pattern called when leaves are arranged in a staggered way along the stem?
Alternate
Are evergreen trees known for having the easiest tree rings to see?
No- They don't really have a time when they go dormant, so they don't have a season of regrowth in the spring, which is when tree rings form.
What type of writing shortens words to write faster?
Shorthand - a method of writing that abbreviates words in order to reduce what has to be written
What is Da Vinci's Rule?
When a tree branch splits, the areas of the two new branches add up to the area of the original branch.
True or False: A candle uses all of what is in the air to burn.
False.
Did Leonardo da Vinci write everything in mirror writing, even notes meant for other people?
No, he only wrote his personal notes in mirror writing.
Do trees usually grow one new ring every year?
Yes
Why is air not considered an element?
An element cannot be broken down into simpler substances. Air is not a single element because it is a mixture of gases that is perfectly designed to support life on earth.
What is the black powder left behind when something burns?
Soot - black powder made from burned organic material.
What does area mean?
The amount of space inside a specific shape/object.
True or False: Earth is an element.
False. Earth is made up of many different substances, not just one element.