Which gas causes bread dough to rise?
Carbon dioxide
What do we call the movement of ions across a membrane using ATP?
Active transport
What do we call the ability of an object to return to its original shape?
Elasticity
What gives skin and hair pigmentation?
Melanin
Which gas in air is used to make ammonia?
Nitrogen
What is the main component of Earth’s inner core?
Iron
Which energy resource is produced by falling water?
Hydroelectric energy
Lucky strike
500
Which part of a plant cell gives it shape and support?
Cell wall
Steal points
250
Zap points
-300
What is the measure of how hot or cold something is?
Temperature
What is the process of heat transfer by moving fluids?
Convection
Which organ removes old red blood cells?
Spleen
Which planet has the largest volcano, Olympus Mons?
Mars
Which gas is used in balloons instead of hydrogen for safety?
Helium
What instrument detects electric current flow?
Galvanometer
Throw question
TQ
Which structure helps bacteria move?
Flagellum Dj
Doublez
DE
What do we call organisms that break down dead material?
Decomposers DJ
What happens to frequency when wavelength increases (same speed)?
It decreases DJ
What force keeps objects moving in a circle?
Centripetal force DJ
Which element is used in thermometers because it expands evenly?
Mercury
Which part of the brain controls balance and coordination?
Cerebellum