Froggy Jumps Science Essentials ChallengeOnline version A quick science knowledge sprint by Spark San 1 What is the basic unit of matter? a Molecule b Cell c Atom 2 What planet is known as the Red Planet? a Venus b Jupiter c Mars 3 Which gas do plants primarily absorb for photosynthesis? a Nitrogen b Oxygen c Carbon dioxide 4 What force keeps planets in orbit around the Sun? a Friction b Gravity c Magnetism 5 What is H2O commonly known as? a Hydrogen peroxide b Oxygen c Water 6 Which organ is primarily responsible for pumping blood? a Lungs b Liver c Heart 7 What is the chemical symbol for Sodium? a Na b So c Sd 8 What is the process by which plants make food? a Respiration b Photosynthesis c Transpiration 9 Which planet has the most moons in the solar system? a Saturn b Mars c Earth 10 What part of the cell contains genetic material? a Ribosome b Cytoplasm c Nucleus 11 What is the powerhouse of the cell? a Nucleus b Mitochondrion c Chloroplast 12 What is the chemical formula for glucose? a CO2 b C6H12O6 c H2O 13 Which gas do we breathe in to survive? a Oxygen b Argon c Nitrogen 14 What is the main gas in Earth's atmosphere?| a Nitrogen b Carbon dioxide c Oxygen 15 Which vitamin is primarily obtained from sunlight? a Vitamin D b Vitamin C c Vitamin A 16 What is the speed of light in vacuum? a About 3,000 km/s b About 30,000 km/s c About 300,000 km/s 17 Which state of matter has a definite shape and volume? a Gas b Solid c Liquid 18 What is the term for a solution with equal concentrations? a Hypertonic b Isotonic c Hypotonic 19 Which device measures temperature? a Anemometer b Barometer c Thermometer 20 What particle carries a negative electric charge? a Proton b Neutron c Electron 21 What is the chemical formula for table salt? a KCl b NaCl c CaCl2 22 Which organ filters blood to form urine? a Liver b Kidneys c Bladder 23 What is the closest star to Earth? a Proxima Centauri b Sirius c The Sun 24 What is the main function of roots in plants? a Perform photosynthesis b Produce seeds c Anchor and absorb water/nutrients 25 Which gas is most associated with the greenhouse effect? a Hydrogen b Helium c Carbon dioxide 26 What is the chemical symbol for Potassium? a K b Pt c P 27 Which biological molecule mostly stores genetic information? a DNA b Protein c RNA 28 What is the term for liquid water turning into steam? a Freezing b Evaporation c Condensation 29 Which organ in the human body produces insulin? a Stomach b Pancreas c Liver 30 What do we call animals that eat plants? a Herbivores b Carnivores c Omnivores 31 Which layer protects the Earth from meteoroids? a Atmosphere b Ozone layer c Magnetosphere 32 What type of bond involves sharing electrons? a Ionic bond b Covalent bond c Hydrogen bond 33 What is the fundamental unit of life? a Organ b Tissue c Cell 34 Which organ system transports nutrients and wastes? a Nervous system b Circulatory system c Respiratory system 35 What phenomenon explains day and night? a Tides b Orbit of the Moon c Rotation of the Earth 36 Which gas is most abundant in the modern atmosphere? a Argon b Nitrogen c Oxygen 37 What is the acceleration due to gravity on Earth roughly? a 1 m/s^2 b 3.7 m/s^2 c 9.8 m/s^2 38 What is a hint of a chemical reaction? a Bubbling or color change b Colorless solution only c Melting point drop 39 What organ stores bile? a Spleen b Pancreas c Gallbladder 40 Which celestial body is used to tell time in ancient navigation? a Mars b The Sun c The Moon 41 What is the unit of electrical resistance? a Ampere b Ohm c Volt 42 Which force explains why pencils fall to the ground? a Air resistance b Gravity c Magnetism 43 What is the term for a material that resists changes in temperature? a Thermal inertia b Specific heat c Conductivity 44 Which organelles are the sites of protein synthesis? a Golgi apparatus b Lysosomes c Ribosomes 45 What is the main function of chloroplasts? a Produce energy b Store waste c Carry out photosynthesis 46 What describes a living thing's genetic makeup? a Genotype b Phenotype c Genome 47 Which gas is produced by humans during respiration? a Carbon dioxide b Hydrogen c Oxygen 48 What is the energy currency of the cell? a ADP b NADH c ATP 49 Which planet is known for its rings? a Neptune b Uranus c Saturn 50 What is the term for water turning into ice? a Freezing b Melting c Sublimation 51 Which part of the brain controls balance? a Cerebellum b Brainstem c Cerebrum 52 What is the primary component of air? a Nitrogen b Oxygen c Carbon dioxide 53 What type of energy is due to motion? a Thermal energy b Potential energy c Kinetic energy 54 Which part of the eye controls light entry? a Iris b Cornea c Retina 55 What is the smallest unit of time widely used in physics? a Second b Planck time c Nanosecond 56 Which process forms sediments into rocks? a Erosion b Weathering c Lithification 57 What is the chemical symbol for Gold? a Ag b Go c Au 58 Which scientist proposed the theory of evolution by natural selection? a Charles Darwin b Albert Einstein c Isaac Newton 59 What is the organ responsible for filtering blood in a nephron unit? a Kidney nephron b Spleen capsule c Liver lobule 60 Which layer protects the Earth from UV radiation? a Ozone layer b Troposphere c Exosphere 61 What is the study of living organisms called? a Chemistry b Geology c Biology 62 Which universal solvent is most common in biology? a Water b Acetone c Ethanol 63 What type of bond forms table salt? a Covalent bond b Ionic bond c Metallic bond 64 Which celestial body orbits a planet? a Star b Moon c Comet 65 What is the main component of the Earth's inner core? a Iron b Gold c Nickel 66 Which organ enables speech by vibrating air? a Esophagus b Larynx (voice box) c Tongue 67 What is the process of forming a new organism from a single cell called? a Asexual reproduction b Germination c Sexual reproduction 68 Which vitamin helps in blood clotting? a Vitamin D b Vitamin B12 c Vitamin K 69 What is the term for a solution with higher solute concentration outside the cell? a Hypertonic b Isotonic c Hypotonic 70 Which gas contributes to the explosion of stars? a Hydrogen b Oxygen c Helium 71 What is the layer where weather occurs? a Mesosphere b Stratosphere c Troposphere 72 Which organ produces digestive enzymes like amylase? a Gallbladder b Spleen c Pancreas 73 What is the term for a living cell’s genetic blueprint? a Metabolome b Proteome c Genome 74 Which planet is known for its extreme tilt? a Uranus b Venus c Mercury 75 What is the color change when an acid turns blue litmus paper red? a Neutral b Acidic reaction c Basic reaction 76 What is the study of Earth itself called? a Astronomy b Geology c Meteorology 77 Which force acts opposite to motion and slows it down? a Inertia b Thrust c Friction 78 What is the part of the plant that conducts water from roots? a Phloem b Cortex c Xylem
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