This organelle is found only in plant cells and is made of cellulose.
What is the cell wall?
100
This type of heat transfer occurs when the sun's heat is transferred to Earth.
What is radiation?
100
Sugar contains the elements carbon, hydrogen, and oxygen. It is an example of this.
What is a compound?
100
A manufacturer wants to create a food container that is inexpensive, airtight, microwave safe, and does not break easily. He/she uses this material.
What is plastic?
100
This is one way to prove evolution.
What is comparing DNA (or homologous structures, fossils, early development)
200
This body system is responsible for recognizing, attacking, and destroying foreign substances that invade your body.
What is the immune system?
200
This occurs when two continental plates collide with one another.
What is a mountain?
200
Suppose 20 g of liquid hydrogen peroxide is heated so it completely breaks down into liquid water and oxygen gas. Which best describes the total mass of the water and oxygen that was produced? Explain your answer.
What is a 20g? No matter was added or released
200
This type of bridge can hold the heaviest loads.
What is an arch?
200
These are found in the nucleus and contain your genetic information.
What is chromosomes (or chromatin)?
300
These item are the products of photosynthesis.
What are water, oxygen and sugar (glucose)?
300
This internal layer of the Earth is made of solid iron.
What is the inner core?
300
Water boils at what temperature?.
What is 100 degrees Celsius?
300
This is the function of a radio station tower in a communication system.
What is the transmitter?
300
What is the primary energy source that drives all weather events, including
precipitation, hurricanes, and tornados?
What is the sun?
400
Lightning from a thunderstorm strikes a tree that falls to the forest floor and dies. During the next few years the dead tree undergoes many changes.
What organisms are most likely responsible for the biological and chemical changes to the tree?
What is a decomposer?
400
When the tilt of the Earth is pointing away from the sun, what season does the northern hemisphere experience?
What is winter?
400
This is the smallest unit of an element that still has the properties of that element.
What is an atom?
400
Scientists are working for a company that is testing a medicine to help damaged tissues. They are working for this part of the company.
What is research?
400
This is the term used to define how the Earth spins on its axis.
What is rotation?
500
A paramecium belongs to this kingdom.
What is Protista?
500
The bedrock in Massachusetts is often scraped and polished. This most likelt causes the scraping and polishing of the bedrock.
What is the movement of glaciers?
500
What could occur as a result of decreasing the heat energy of a gas?
What is condensation?
500
This is the last step of the engineering design process?
What is redesign the design?
500
What type of heat transfer occurs when the air near the ground is warmed by the sun and it starts to rise.