Biology
Which of the following organelles do bacteria not possess? Cell wall, nucleus, ribosomes
Nucleus
What are the two forces on a block resting horizontally on the ground?
normal force and gravity
This is the chemical formula for Ozone
O3
What force keeps planets and their moons in orbit?
Gravity
On the number line, what number is 2/7 of the way from -3 to 2?
-11/7
What two primary proteins are involved in muscle contraction?
Actin and Myosin
This word is the inverse of frequency
Period
The weight of this particle is 1800 times less than that of a proton
electron
In approximately 5.5 billion years, our Sun will move to which next phase in its life cycle?
Red Giant
The perimeter of a rectangle is equal to 280 meters. The ratio of its length to its width is 5:2. What is the area of the rectangle in square meters?
4000
What fatty substance insulates the axon of nerve cells and acts in preserving an action potential?
Myelin
This property of matter causes perfume to move all around a room when sprayed
diffusion
What is the term for a solution containing more dissolved material than would be possible at normal conditions?
Supersaturated
What state of matter can S waves travel through?
Solids
The first 3 terms of a geometric sequence are 3, 3/4, and 3/16. What is the sum of the infinite geometric series?
4
A child with type O- blood cannot have a parent with what blood type?
AB
What are the four fundamental forces
Gravity, electromagnetic, weak nuclear force, and strong nuclear force
What element in coal has the greatest mass fraction?
Carbon
What two elements primarily make up the core of the Earth?
Iron and Nickel
Camilla drove 126 miles in 2 hours and 15 minutes. What was her average speed in miles per hour?
56
In watermelons, solid green rind color is dominant to stripes. A farmer crosses 2 watermelon plants that are heterozygous for rind color. What are the odds that the offspring will have solid green rinds?
3/4
Atlas and Hercules each lift 200 kilogram barbells off the ground. Atlas lifts his in 1 second and Hercules lifts his in 3 seconds. Which hero does more work?
Neither, they do the same amount of work
This experiment determined the charge of an electron
oil drop experiment
What is the process of mountain building called?
Orogenesis
The first month of business for Deanna's Books produced $1200 in sales. The second month produced $800 in sales. To the nearest whole number percent, what was the percent decrease in sales?
33%