Term 3 Biology
Give 2 traits that are inherited from the parents
eye colour
hair colour / type
height
How do you test for Hydrogen gas?
Put a lighted wooden splinter, and a POP sound is produced
What is the formula of density?
Density = mass / volume
The structure of a gene is called a
Double Helix
The urine is carried from the kidneys to the bladder through?
Ureter
1. Surface area
2. Temperature
3. Concentration
What are the bonds between
1. Metal + Non-Metal
2. Non-Metal + Non-Metal
1. Ionic bond
2. Covalent bond
The effect that is produced when the waves meet each other is called
Interference
Name three of the extinct animals that you've learned in class?
1. Mammoth
2. Dodo Bird
3. Sabre-tooth cat
What are the 2 harmful substances that crosses the mother's placenta to the fetus?
Nicotine, Carbon monoxide
Hydrochloric acid will have higher rate of reaction with powdered calcium carbonate that calcium carbonate lump due to?
!!!BONUS!!!
What did scientists use to freshen their breath?
experi-MINTS !
hehe
What are the 2 types of tectonic plate movement that forms volcanoes?
1. Divergent - move away
2. Convergent - colliding
DNA is the short form for?
Deoxyribonucleic Acid
What is the equation for photosynthesis?
Carbon dioxide + water --> Glucose + oxygen
What is the difference in the graph of faster rate of reaction compared to slower rate of reaction?
Faster rate of reaction has a more steeper graph compared to slower rate of reaction
What is the symbol equation for the reaction of Magnesium carbonate + sulfuric acid?
MgCO3 + H2SO4 --> MgSO4 + CO2 + H2O
What are the stages of the collision theory for the formation of moon?
1. Theia collide with Earth
2. A ring of dust and rocks are formed around Earth
3. Dust and rocks come together to form moon
List all the 4 stages of human development stage in order
Zygote, Embryo, Fetus, Baby
What is the flow for urine excretion? Starting from the liver.
Liver, renal artery, kidney, urethra, bladder, ureter
Sodium thiosulfate + hydrochloric acid --> ?
Sodium chloride + sulfur + sulfur dioxide + water
List the 12 elements in reactivity series, in order.
K, Na, Ca, Mg, Al, Zn, Fe, Sn, Pb, Cu, Ag, Au
What are the 3 ways an object gain or lose thermal energy?
Conduction, convection, radiation