Chemistry
Electricity
Space
Ecology
Mystery
100

What exists between all particles of matter? 

What is 'Space'?

100

What instrument is connected in series within a circuit to measure electrical current?

What is 'An Ammeter'?

100

Which planet is famous for its large, prominent, and visible ring system?

What is 'Saturn'?

100

What term describes an animal that is hunted and killed by another organism for food?

What is 'Prey'?

100

Which state of matter has fast particle motion and weak attraction? 

What is 'Gas'?

200

What consist of two or more atoms chemically combined, which can be the same or different?  

What is 'Molecules'?

200

What standard unit is electrical current measured in?

What is 'Amperes (Amps)'?

200

What is the common name given to Mars due to the iron oxide on its surface?

What is 'The Red Planet'?

200

What type of diagram shows the complex, interconnected feeding relationships in an ecosystem?

What is 'A Food Web'?

200

Is dissolving sugar in water a physical change or a chemical change?  

What is 'Physical Change'?

300

Give three examples of quantitative measurements.

What is 'Mass, Volume, Temperature, Length/Size, or Density'?

300

What type of source converts stored chemical energy into electrical energy?

What is 'A Battery'?

300

What are the rocky objects orbiting the Sun, mostly found in a belt between Mars and Jupiter?

What is 'Asteroids'?

300

What specific role or position does an organism fill within its habitat and community?

What is 'An Ecological Niche'?

300

What unit is used to measure electrical resistance?

What is 'Ohms'?

400

During a physical change, what happens to a substance's appearance versus its chemical composition?

It's appearance change, but it's chemical composition stays the same. 
400

What safety device is designed to melt and break a circuit if the current becomes too high?

What is 'A Fuse'?

400

What space instrument uses lenses or mirrors to gather light and magnify distant cosmic objects?

What is 'A Telescope'?

400

What term refers to the variety and abundance of different life forms found in a particular ecosystem?

What is 'Biodiversity'?

400

Which planet in our solar system is uniquely known to support living organisms?

What is 'Earth'?

500

What central part of the atom contains protons and neutrons?

What is 'The Nucleus'?

500

What form of electricity involves an imbalance or build-up of electric charges on a surface?

What is 'Static Electricity'?

500

What term describes the event that marked the rapid expansion and origin of our universe?

What is 'The Big Bang'?

500

What level of an ecological pyramid represents each feeding step or position in a food chain?

What is 'A Trophic Level'?

500

When can chemical properties be observed?  

Only when a chemical reaction takes place.