Life Science
Earth Science
Physical Science
Technology
Lots of other questions
100
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
List 3 pieces of evidence that supports the theory of evolution.
homologous structures, fossils, early development of embryos
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 change occurs when heat energy is removed from a gas
What is a condnsation?
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 oxygen and sugar?
6CO2 + 6H2O —> C6H12O6 + 6O2
300
This internal layer of the Earth is made of solid iron.
What is the inner core?
300
Water boiling is an example of this type of change.
What is a physical change?
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
A student prepared the following list of characteristics about a cellular organelle.
1. present in both animal and plant cells
2. helps make energy available to the cell.
What cellular structure is the student describing?
What is mitochondria?
400
Why does Mercury have a shorter year than Earth?
What is Mercury is closer to the Sun than Earth.
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. The term used to define how earth moves around the sun
What is rotation? What is revolution
500
What is the primary advantage of sexual reproduction when compared to asexual?
What is there would be a greater genetic variety of the offspring.
500
The bedrock in Massachusetts is often scraped and polished. This most likely causes the scraping and polishing of the bedrock.
What is the movement of glaciers?
500
Describe the energy transformation that occurs for a bouncing ball
What is potential energy to kinetic energy to thermal energy and sound energy back to kinetic and at the top of the rebound all of the energy has been converted to potential?
500
This is the last step of the engineering design process?
What is redesign the design?
500
On the moon, a person's ______ would be different but their _________ would be the same.
What is a person's weight would be different but their mass would be the same?