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
This phase of matter takes on the shape of it container and has a definite volume.
What is a liquid?
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 and sugar?
300
This internal layer of the Earth is made of solid iron.
What is the inner core?
300
In a laboratory, a sealed container with 100 g of steam is cooled until all the steam becomes a liquid. The container is then cooled further until all the water becomes a solid.
What remains constant during both of these changes?
What is a mass?
300
This is the function of a radio station tower in a communication system.
What is the transmitter?
300
This type of organism breaks down dead or decaying organism or feeds on the nutrients in the soil such as a mushroom.
What is a decomposer?
400
What groups of organisms uses sunlight to convert carbon dioxide and water into sugar and oxygen?
What is s producer?
400
What is the phase of the moon during a solar eclipse?
new moon
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
What season is occurring in the Northern Hemisphere when Earth is tilted away from the sun?
What is winter?
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
This type of energy is stored energy.
What is potential energy?
500
This is the last step of the engineering design process?
What is redesign the design?
500
This changes when an object leaves the earth and travels to the moon.