Animals
What is the largest animal to ever live on Earth?
Blue whale
This is the thing that YOU CHANGE in the experiment.
Independent variable
What is the chemical formula for water?
H2O
Red
Human blood is NEVER blue - it's an optical illusion. Blue wavelengths bounce back.
The prefix "bio" means -
What gift will a male penguin bestow upon a female penguin to court her?
A pebble
This is the thing that YOU MEASURE in an experiment.
What are the three layers of the Earth?
Crust, mantle, & core
How many chambers are in the human heart?
206
What is the name for the process by which plants turn energy from the sun into glucose?
Photosynthesis
How many bones do sharks have?
Zero
These are the things that STAY THE SAME in an experiment.
Controls
The Earth is estimated to be ________ years old
4.5 billion
How many bones are in the adult human body?
206
The smallest unit of life is called -
A cell
A group of parrots is called a -
Pandemonium
The best graph to show changes over time is -
A line graph
What element is most abundant in Earth's atmosphere?
Nitrogen
Insulin is produced in this organ, which also synthesizes digestive enzymes.
Pancreas
What animal did Australia go to "war" with in 1932?
The emu (The Great Emu War)
Horses can make _______ different facial expressions.
17
Every scientific investigation starts with -
Observation
(A question is also an acceptable answer.)
___% of Earth's water is freshwater.
3
What organelle is known as the "powerhouse of the cell"?
This "mourning" species of reptile is all female - organisms reproduce by fertilizing their own eggs
Geckos
This statement predicts and explains what will happen is a variable is manipulated (changed).
Hypothesis
The deepest known point on Earth is called -
Challenger Deep
Red blood cells have an average lifespan in the body of -
4 months (120 days)
An organism's ecological role is also called -
Their niche