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# SUMMATIVE TEST IN SCIENCE ## GRADE 8 ### Q3-SY 2024-2025 **Section:** 8-4 **Score:** 36/60 **Name:** Aisha V. Isidro **Directions:** Read and analyze each item. Write the letter of the best answer before the number. **1.** You are organizing your study desk and notice examples of matter, su...

# SUMMATIVE TEST IN SCIENCE ## GRADE 8 ### Q3-SY 2024-2025 **Section:** 8-4 **Score:** 36/60 **Name:** Aisha V. Isidro **Directions:** Read and analyze each item. Write the letter of the best answer before the number. **1.** You are organizing your study desk and notice examples of matter, such as books, a lamp, and a glass of water. Which of the following statements best describes matter? * A. It has weight. * B. It is a form of energy. * C. It has a definite shape. * D. It occupies space and has mass. **2.** You are preparing for a science experiment. On the table, you have a candle, a beaker of liquid, and a ringing alarm clock. Which is NOT an example of matter? * A. Candle * B. Beaker of liquid * C. Sound of the alarm clock **3.** You see smoke from a fire filling an entire room. Which state of matter fills the entire space of its container? * A. Solid * B. Liquid * C. Gas * D. Plasma **4.** You see steam rising from a hot pot, air filling a balloon, and ice melting on a sunny day. Which of the following statements is TRUE regarding the particle nature of matter? * A. Matter is not made of tiny particles. * B. Particles of matter are moving all the time. * C. Particles of matter do not attract each other. * D. Spaces between the particles are filled with air. **5.** A student is observing three different substances: one is ice, another is water, and the third is steam. The student wants to know which diagram shows the arrangement of particles in a solid state. Which particle diagram best represents a substance in the solid state? **(Diagram A, B, C, or D are shown here, but are not included in the text.)** **6.** A steel ball remains hard and does not deform easily. Which arrangement of particles is found in solids? * A. Moving at high speeds * B. Freely flowing and far apart * C. Closely packed with strong bonds * D. Randomly scattered with large gaps **7.** Water takes the shape of its container when poured into different-shaped glasses. Which explains why water takes the shape of its container? * A. It cannot change shape. * B. Its particles are fixed in a pattern. * C. Its particles are held tightly together. * D. Its particles flow and are less tightly held. **8.** The smell of popcorn spreads from the kitchen to the living room. Which example also demonstrates diffusion in gases? * A. Dye spreading in water * B. Perfume spreading in a room * C. Spilled milk spreading on a table * D. Steam rising from a cup of coffee **9.** While inflating a basketball, students notice that air compresses easily. Which characteristic of gases makes them easier to compress than liquids and solids? * A. Their particles are far apart * B. Their particles are tightly packed **10.** During a science experiment, students place a liquid in a freezer. What happens to the attractive forces between the liquid particles as the temperature drops? * A. Remain the same * B. Decrease between particles * C. Become weaker between the particles * D. Become stronger between the particles **11.** During a science experiment, students pour water into containers of different shapes. The water takes the shape of the container while its volume remains the same. Which characteristic of liquids does this describe? * A. Definite shape and definite volume * B. Definite shape and indefinite volume * C. Indefinite shape and definite volume * D. Indefinite shape and indefinite volume **12.** A sponge regains its shape after being squeezed. Which property explains why the sponge returns to its original shape? * A. Figidity * B. Elasticity * C. Flexibility * D. Compressibility **13.** During a science class, students are given several objects and asked to identify which are solids. Which set of samples are solids? * A. Stone, nail, pen * B. Ice, water, crayon * C. Radio, car, gasoline * D. Oxygen, stone, ice cream **14.** During a classroom demonstration, you inflate a balloon with air, and it fills the shape and volume of the container. Why do gases, like air, do NOT have definite shape and volume? * A. Gases cannot be compressed. * B. Gases have particles that are tightly packed.