This instrument uses spinning cups to measure wind speed
What is an anemometer
For a gene to show it takes two ____ genes
What is a recessive gene
These elements are needed to make Carbon Dioxide
What is carbon and 2 oxygen
This bone protects the vital thoracic organs and supports the chest structure
What is the sternum
It takes ___ days for the earth to fully rotate the sun
What is 365.25 days
This is the most abundant gas in our atmosphere
What is Nitrogen
Organisms that have two identical alleles for a trait
What is Homozygous
The element Zinc has this symbol
What is Zn
This system allows the brain to send messages to parts of the body
What is the nervous system
It is ___ in the Northern Hemisphere when that hemisphere is tilted toward the sun.
What is summer.
This layer of the atmosphere is where all weather occurs
What is the troposphere
The threadlike structures of DNA that carry genes
What are Chromosomes
This type of change occurs when a new substance is formed with different properties, such as baking a cake or rusting iron
What is a chemical change
The tibia and the femur support what bone
What is the patella (kneecap)
Which way does Earth rotate
What is counterclockwise