Chemistry
Ecology
physics
Astronomy
Random
100

Is burning wood a Physical change or a chemical change

what is a chemical change

100

A group of organisms that have similar biological structure and can reproduce with each other

What is species

100

what is the letter for current in physics

what is I

100

The largest planet

what is Jupiter
100

the 4 spheres of the Earth

Biosphere, lithosphere, hydrosphere, atmosphere

200

What classification of Matter consists of only one particle

what is a pure substance

200

The disappearance of a species from the entire planet 

What is extinction

200

What does the squiggly line in a circuit represent

resistor

200

What is the ending for the largest star in our universe

What is a black hole

200

What is the mathematical relationship between voltage current and resistance

what is V=IR

300

What do all chemicals in the same family have in common

what is the same amount of valence electrons

300

The evaporation of water from trees

transpiration

300

Name three alternate energy sources from fossil fuels

geothermal, hydro, wind, sunlight, nuclear, biomass

300

the hottest planet

Venus

300

Define abiotic factor

What is a non-living factor

400

what types of atoms are used in ionic bonding

what are metals and nonmetals

400

A local extinction of a species from a particular area

extirpation

400

Energy does not dissapear or appear, cannot be created or destroyed. What is the principle called

what is the law of conservation of energy

400

Moon with Icy oceans

Europa

400

How poisonous a substance

What is toxicity

500

What is the 17th atom on the periodic table

what is chlorine
500

two organism interaction, one benefits, the other is not harmed but does not benefit

commensalism

500

an object that measure voltage, current, and resistance

what is a multimeter

500

Largest moon in the solar system

Ganymede

500
Where does Mr.Joe want to work when he grows up

What is NASA

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