Earth Science
What is the most abundant gas in Earth’s atmosphere?
What is Nitrogen?
In insects, what is the life stage between the larva and adult?
What is Pupa?
What gas is produced when baking soda reacts with vinegar?
What is Carbon dioxide?
What is the SI unit of force?
What is Newton?
What simple machine is a ramp an example of?
What is Inclined plane?
In which atmospheric layer does most weather occur?
What is Troposphere?
This organ produces insulin and glucagon.
What is Pancreas?
What is the pH of a neutral solution at 25°C?
What is 7?
What is the acceleration due to gravity on Earth in m/s²?
What is ~9.8 m/s²?
What is the formula for work done when a force is applied to an object over a distance?
What is Work = Force × Distance?
What term describes a bowl-shaped hollow formed by glacial erosion at the head of a valley?
What is Cirque?
What kind of study compares past exposures of people with and without a disease to identify risk factors?
What is Case-control study?
In chromatography, what is the term for the ratio of solute travel distance to solvent travel distance?
What is Rf value?
When light enters a denser medium (e.g., air to water), does it bend toward or away from the normal?
What is toward the normal?
What type of bridge is best for spanning long distances due to its ability to distribute tension and compression forces efficiently?
What is Suspension bridge?
What phenomenon causes the light from distant galaxies to shift toward longer (redder) wavelengths due to the expansion of the universe?
What is Redshift?
If a food chain starts with producers having 10,000 joules of energy, about how many joules would a tertiary consumer receive?
What is ~10 joules (assuming ~10% energy transfer at each level)?
If 3.0 moles of O₂ react with excess H₂ in the reaction 2 H₂ + O₂ → 2 H₂O, how many moles of water are produced?
What is 6.0 moles H₂O?
A 2.0 kg cart moving at 3.0 m/s collides with a stationary 4.0 kg cart and they stick together. What is their final velocity?
What is 1.0 m/s, using conservation of momentum ?
DAILY DOUBLE!!
This is the number predicts whether fluid is flow is laminar or turbulent.
Identify the fossil in the image below and name the geologic era when these organisms thrived.
What is (Possible Answers: Trilobite, Paleozoic Era) ?
Identify the insect order of the pictured organisms. What is one defining characteristic of this order that distinguishes it from other insects?
What is Lepidoptera (Butterflies and Moths) and scales on wings.
Identify the fossil organism shown in the image and name one defining characteristic of this organism that distinguishes it from other marine arthropods.
What is trilobite and segmented exoskeleton with three distinct body lobes (cephalon, thorax, pygidium) (could also say compound eyes composed of calcigte lenses).
A student measures a 1.00 m pendulum’s period to be 2.0 s. Using T=2πLgT = 2\pi\sqrt{\frac{L}{g}}T=2πgL, calculate the expected period and compare it to the student's measurement.
What is Theoretical T≈2.01T ≈ 2.01T≈2.01 s, closely matching the experiment ?
A pulley system is designed to lift a 50 kg load using a compound pulley with a mechanical advantage (MA) of 4. If a student applies a force to lift the load slowly and steadily, how much effort force (in Newtons) must they apply? (Assume gravity = 9.8 m/s².)