Chemistry
Respiration is E........................
Exothermic
Energy is released through breaking of ____________
atomic bonds
What is the symbol for potassium?
K
The ultimate source of energy for all organisms in life is the___________
Sun
Cells --> _______--> Organs --> Organ system --> Organisms
Tissues
Heat is ............... during a combustion reaction, meaning it is an E.......................reaction.
Released Exothermic
Magnesium + oxygen -->
Magnesium oxide
What year was the very first model of the iPhone released?
2007
What percentage of energy is passed from one pyramid level to the next? Where is the other energy lost?
10%
Lost as heat energy
Homeostasis
What are the products to finish the word equation for a combustion reaction
Fuel(wood) + oxygen ->
Fuel (wood) + oxygen --> carbon dioxide + water vapour + energy
Metal + acid --> _________+ _________
Metal + acid --> Salt + hydrogen
Which natural disaster is measured with a Richter scale?
Earthquakes
Mushrooms and other fungi are responsible for breaking down dead organic matter. In the food web, they are called______________
Decomposers
Body temperature increases, your body responds to this stimulus by...................
• Dilating blood vessels so that heat is lost more easily
• Sweat glands produce liquid (sweat) to cool the body
Predict the products for:
Copper Carbonate + Hydrochloric acid-->
Predict the products....
Sodium hydroxide + hydrochloric acid -->
--> Sodium chloride + water
Which Avenger is the only one who could calm the Hulk down?
Black widow
Plant --> Mouse --> Snake --> Hawk
If mouse bait killed off lots of mice, what effect would this have on the food chain?
Increase plant population.
Decrease the snake population as less food and therefore decrease Hawk population due to less snakes.
If there's too much glucose in the blood, a hormone instructs target cells in the liver and muscles to absorb glucose. The hormone is called __________and it is produced by the_____________.
Pancreas
Write the equation for photosynthesis?
Is is endothermic or exothermic?
Energy + carbon dioxide + water --> Oxygen + sugar (plant food)
-Endothermic
Write the equation for respiration?
What genre of music did Taylor Swift start in?
Country
grass --> goat --> wild cat --> lion
Lions are often hunted by humans.Predict the effect that decreasing the Lion population would have on:
a.Wild cat population
b.Goat population
Wild cat would increase as being hunted less
Goats would decrease as more wild cats hunting them.
Blood glucose levels increase → pancreas releases insulin → ________________________ →___________________________.
Blood glucose levels increase → pancreas releases insulin → liver takes up glucose → blood glucose levels decrease.