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. C6H12O6

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 plates collide with one another and rub together to create friction.

What is an earthquake?

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 bridge?

200
These are found in the nucleus and contain your genetic information.
What is chromosomes (or chromatin)?
300

These item are the three products of photosynthesis.

What are oxygen, water, and sugar?

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

What do scientists call the interweaving connection of predators and prey in an environment?

Food Web

400
This type of rock is formed from heat and pressure deep within the Earth which takes many years. Marble is an example.
What is metamorphic rock?
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.  It creates day and night.

What is rotation?

500

A single-celled paramecium belongs to this kingdom.

What is Protista?

500

The bedrock in Massachusetts is often found scraped and polished. This most likely 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 developed from the modeling phase of the engineering design process?

What is building a prototype?

500

This changes when gravity changes, like an object leaves the earth and travels to the moon.

What is weight?

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