What is the main reason water at the surface of the ocean
is warmer than water at the bottom of the ocean?
What is water at the surface of the ocean absorbs more energy from the Sun.
100
What is produced when two or more elements combine in
a chemical reaction?
What is a compound.
100
A boulder sitting on a ledge has what type of energy?
What is potential energy.
100
If you were to use symbols to show feet and inches what symbols will you use?
What is ' = feet, " = inches.
100
What body system typically recognizes, attacks, and destroys foreign cells or substances that may cause disease?
What is the Immune System
200
Carbon dioxide emissions from humans has had the greatest impact on which of Earth's systems?
What is the atmosphere.
200
If you have created a new product from your reactants that you have created what kind of change?
What is chemical change.
200
The more texture a surface has, the higher the amount of ____________ an object in motion will experience.
What is friction.
200
Which tool would you use to tighten a mechanical screw?
1.sander
2.hammer
3.pliers
4.saw
What are pliers.
200
A student prepared the following list of characteristics about a cellular organelle.
1.present in animal cells
2.present in plant cells
3.helps make energy available to the cell
What structure is the student describing?
What is the Mitochondria
300
If the Northern hemisphere is tilted away from the sun, what season is it in the Southern hemisphere?
What is summer.
300
2HCl + Zn ------> H2 + ZnCl2
In this chemical equation, after the reaction the product has the same __________.
What is mass.
300
A toy car has a starting time and distance of 0 sec and 0 m. Its ending position occurs at 6 sec and 3 m. At what rate did the toy car move?
What is 0.5 m/s
300
If you are sending out an advertisement over the internet and television, which of the following methods of communication must both mediums use in order to show the advertisements to viewers around the world?
1. systems to locate viewers
2. networks to transmit signals
3. printing to create images
4. software to search for images
What is networks to transmit signals.
300
Instructions that determine hair color are stored in:
What are chromosomes.
400
What is the best evidence that we have that Earth has evolved over geological time?
What is fossils of the same species have been found in unrelated locations.
400
If you have a bucket of 20*C water and and place two cups of water into the bucket (one 50*C the other 10*C), how will the heat move throughout the bucket and cups?
What is heat will move out of the 50*C cup and into the bucket and heat from the bucket will move into the 10*C cup of water.
400
If a graph representing distance and time is showing a runner's run, and there is a flat point in the graph where time continued but distance stayed the same. Than you can infer that the runner did what?
What is stayed at the same place/did not move.
400
Which of the following best describes the function of an encoder in a telephone communication system?
1.converting sound to electrical impulses
2.receiving transmitted electrical signals
3.changing electrical impulses into sound
4.sending electrical signals through a circuit
What is converting sound to electrical impulses.
400
What is taken in to generate photosynthesis? What is created by photosynthesis?
What is Carbon dioxide and water (taken in) are turned
into sugar and oxygen (created).
500
From the outside in, name the layers of the earth?
What is crust, mantel, outer core, inner core.
500
What is the label a measure of density would receive?
What is g/cm3 (grams per centimeters cubed).
500
Tobias rode his bike on a road for a 2 hr period. On average, he passed a 1 km marker every 3 min during this
period.
What was his average speed for this 2 hr period?
What is 20km/hr.
500
During the construction of a new building, workers dug round holes in the ground and filled the holes with steel and concrete. What part of the building was being built during this stage of construction?
What is the foundation.
500
Two purple flowers are crossed. They create thirteen offspring. The offspring consist of ten purple flowers and three white flowers. How were the white offspring created?
What is the offspring inherited recessive white pedal DNA from both parents.