1) Which of the following best explains why Earth’s temperature is suitable for life? a) Atoms freeze easily b) Poles colder than equator c) Earth is far from sun d) Not too hot or cold 2) What would most likely happen if Earth had no atmosphere? a) Greenhouse effect maintains heat b) Protected from UV radiation c) Meteorites burn up in air d) Lose gases for life 3) Which sentence best describes why water is important for life on Earth? a) Interrupts chemical reactions b) Not required in life c) Useful when frozen d) Performs biological functions 4) Why are nutrients considered essential to support life? a) No impact on living things b) Do not play major role c) Stop structures forming d) Synthesize biological molecules 5) Which of the following best explains how energy supports life on Earth? a) Use solar energy only b) Chemosynthetic need light c) Sun powers life processes d) Sun recycles water 6) A student plants seeds in a garden to observe how plants grow. Which Earth subsystem is mostly involved? a) Atmosphere b) Biosphere c) Geosphere d) Hydrosphere 7) After a heavy storm, a river overflowed and flooded nearby farmlands. What subsystems are interacting here? a) Air and soil moving nutrients b) Floodwaters damaging plants c) Rain turning into ice d) Wind blowing water away 8) During a field trip, students watched smoke and ash rising from an erupting volcano. Which two subsystems were interacting? a) Atmosphere and biosphere b) Atmosphere and geosphere c) Biosphere and hydrosphere d) Geosphere and hydrosphere 9) While hiking uphill, a student felt it was harder to breathe and noticed the air was cooler. Why? a) Wind blows stronger b) Air gets thicker c) Water vapor increases d) Pressure drops, less oxygen 10) A group collected seawater samples to study marine animals living in different ocean layers. Which Earth subsystem were they studying? a) Atmosphere b) Biosphere c) Geosphere d) Hydrosphere 11) In a science project, students grew plants under a lamp, watered them, and placed them in soil. What does this show? a) Only soil affects growth b) Sunlight helps growth c) Water not important d) Subsystems provide materials 12) A farmer noticed plants growing faster when the air was fresh and clean. Which subsystems are working together? a) Clouds providing rain b) Air and soil helping c) Water flowing through d) Biosphere and atmosphere 13) Students examined large rocks and mountains near their school. What Earth subsystem were they studying? a) Atmosphere b) Biosphere c) Geosphere d) Hydrosphere 14) A coastal community experiences ocean waves that move sediments to the shore. What causes this movement? a) Tides controlled by moon b) Wind blowing across water c) Salt levels and temperature d) Waves forming near beach 15) A logging company cleared forest land, affecting local wildlife and soil. What does this show? a) Only plants affected b) Changes impact others c) No effect on environment d) Soil changes, air same 16) In a science experiment, Juan noticed a mineral attracted his magnet. What property is this? a) Cleavage b) Fracture c) Hardness d) Magnetism 17) Maria scratched a mineral on a white plate and saw colored powder. What property did she observe? a) Color b) Crystal Habit c) Luster d) Streak 18) Ana poured acid on a mineral and saw bubbles form. What does this show? a) Mineral is magnetic b) Mineral has shiny surface c) Reacts with acid d) Breaks smoothly 19) Carlos found a mineral that breaks into irregular, uneven surfaces. What is this called? a) Cleavage b) Conchoidal fracture c) Fracture d) Splintery fracture 20) Liza examined a mineral with thin, parallel grooves on its surface. What is this property? a) Cleavage b) Habit c) Striations d) Specific gravity

EARTH SCIENCE/EARTH & LIFE SCIENCE REVIEW QUIZ

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