Ecosystems
Chemistry
Electricity
Space
Random Numbers
100

The energy source for all food chains in an ecosystem

What is the sun?

100
Solubility is an example of this type of property. 

what is a physical property

100
The measurement device that measures current. 

what is an ammeter?

100

The third planet from the sun

what is Earth?

100

The number of colours in the rainbow. 

7 (ROYGBIV)

200

The term for when water leaves the ocean and goes to the air.

What is evaporation?

200

This classification of matter consists of only one type of particle

what is a pure substance

200

Name 3 alternative energy sources aside from fossil fuels. 

what are biomass, hydro, wind, solar, nuclear, geothermal

200

If a very large star "dies" and collapses on itself it turns into this.

what is a black hole

200
The length of time it takes for the sun's light to reach Earth 

what is 8 minutes

300

The products (things made) in photosynthesis

What are Oxygen and Glucose?

300

the type of change when mixing two clear substances and turns the mixture yellow.

what is a chemical change?

300

the circle with an x represents this in a circuit diagram. 

What is a lightbulb/load?

300

The birthplace of all stars

what is a stellar nebula

300

The number of bones a shark has in its body 

what is 0 (they only have cartilage)

400

The build up of toxins up in an organism over time

what is bioaccumulation?

400

the total number of atoms in the compound 3CO2

what is 9?

400

The subatomic particle responsible for static electricity. 

What is an electron?

400

This is the leading theory of how the universe began.

What is the Big Bang Theory?

400

The number of bones in the human body 

what is 206

500

overfishing, polluting and removing food sources will lower a populations... 

carrying capacity

500

All atoms in a FAMILY (COLUMN) on the periodic table have the same number of these.

what are valence electrons?

500
This is what happens when you remove one of two lightbulbs in parallel. 
the other lights stays on? 
500

Name all of the planets in order

mercury, venus, earth, mars, jupiter, saturn, uranus, neptune

500

The number of hearts an octopus has

what is 3?

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