What is science?, A. The study of stories and literature, B. Knowledge gained from observations and experimentations to describe and explain the world around us, C. The study of numbers only, D. A way of drawing objects, Why does ice melt?, A. Because of darkness, B. Because of wind, C. Because of heat, D. Because of magnets, Where does rain come from?, A. Rocks, B. Clouds, C. Plants, D. Soil, Which everyday example shows the use of science?, A. Soap removes germs., B. Books tell stories., C. Pencils write words., D. Chairs provide seats., What happens to seeds when they have the conditions they need to grow?, A. They become magnets., B. They disappear., C. They turn into metal., D. They grow into plants., What is observing?, A. Grouping objects according to similarities, B. Making an intelligent guess, C. Identifying characteristics and properties using our five senses, D. Measuring only the weight of an object, What is comparing?, A. Grouping objects according to their similarities, B. Measuring the temperature of an object, C. Giving an intelligent guess, D. Identifying the similarities and differences of things being compared, What is classifying?, A. Grouping objects according to their similarities, B. Finding the weight of objects, C. Making an intelligent guess, D. Observing an object with only the eyes, What is hypothesizing?, A. Giving an intelligent guess that needs to be proven or tested, B. Grouping objects according to color, C. Reading a book about science, D. Measuring the volume of a liquid, Which words can be used to start a hypothesis?, A. First and next, B. Because and therefore, C. I think and maybe, D. Hello and goodbye, Which laboratory tool is used to heat a small amount of liquid?, A. Test tube, B. Funnel, C. Thermometer, D. Microscope, Which tool is used to hold a test tube when it is hot and cannot be touched safely?, A. Test tube brush, B. Test tube holder, C. Test tube rack, D. Graduated cylinder, Which tool is used to store test tubes?, A. Test tube rack, B. Funnel, C. Thermometer, D. Magnifying glass, Which tool is used to clean the inside of a test tube?, A. Test tube holder, B. Test tube brush, C. Microscope, D. Funnel, Which tool helps us observe tiny objects?, A. Magnifying glass, B. Test tube rack, C. Funnel, D. Thermometer, Which optical instrument enlarges objects that cannot be seen by the naked eye?, A. Graduated cylinder, B. Microscope, C. Test tube, D. Funnel, Which tool is used to measure the volume of a liquid?, A. Thermometer, B. Graduated cylinder, C. Test tube brush, D. Microscope, Which tool helps direct liquids into containers so they will not be lost or spilled?, A. Funnel, B. Test tube holder, C. Microscope, D. Test tube rack, Which tool is used to measure temperature?, A. Funnel, B. Magnifying glass, C. Thermometer, D. Graduated cylinder, What should you avoid doing in the science laboratory, especially when holding tools?, A. Working carefully, B. Playing or fooling around, C. Following instructions, D. Keeping the area clean, Which activities should students perform in the laboratory?, A. Any activity they want, B. Dangerous activities for fun, C. Activities copied from friends, D. Only activities approved by the teacher, How should work areas in the laboratory be kept?, A. Messy and crowded, B. Wet and dirty, C. Clean and tidy, D. Full of unused materials, What should you do if you have an accident or injury in the laboratory?, A. Hide it from the teacher., B. Leave the laboratory immediately without telling anyone., C. Report it to the teacher right away., D. Continue working., What should you do with laboratory materials?, A. Take them home., B. Give them to friends., C. Never remove them from the laboratory area., D. Hide them in your bag., What is matter?, A. Anything that has mass and occupies space, B. Anything that can only be seen, C. Anything that is alive, D. Anything that is colorful, Which state of matter has a definite shape, definite size, and definite volume?, A. Liquid, B. Gas, C. Solid, D. Vapor, Which state of matter has a definite volume but no definite shape?, A. Solid, B. Liquid, C. Gas, D. Metal, Which state of matter has no definite shape and no definite volume?, A. Solid, B. Liquid, C. Gas, D. Ice, What are molecules?, A. Large laboratory tools, B. Tiny particles that make up matter, C. Types of metals, D. Forms of energy, How do molecules in a solid move?, A. Very fast, B. They move very far apart., C. They do not exist., D. Very slowly, How are molecules arranged in a liquid?, A. Very far apart, B. Close together but able to slide past one another, C. Completely still, D. In one straight line, How do molecules in a gas move?, A. Very slowly, B. They do not move., C. Very fast, D. Only in circles, What are physical properties?, A. Characteristics of a material that can be observed without changing it into something new, B. Changes that destroy a material, C. Ways of disposing of waste, D. Laboratory safety rules, What does mass tell us?, A. The temperature of an object, B. The amount of matter in an object, C. The color of an object, D. The brightness of an object, What does volume describe?, A. The amount of space an object occupies, B. How shiny an object is, C. How hard an object is, D. How much an object can stretch, Which property describes materials that are difficult to scratch or dent?, A. Density, B. Hardness, C. Stretchy, D. Shiny, Which property describes a material that can be pulled or stretched and return to its original form?, A. Strong, B. Shiny, C. Stretchy, D. Hard, Which physical property means the amount of matter in a given space?, A. Weight, B. Density, C. Volume, D. Hardness, Which property describes a material that can hold a lot of weight and resist forces without breaking?, A. Strong, B. Shiny, C. Stretchy, D. Soft, Which metal is very hard and strong and can support heavy objects?, A. Gold, B. Silver, C. Iron, D. Copper, Which metal is bright and shiny white and is often used in jewelry?, A. Iron, B. Silver, C. Copper, D. Gold, Which metal is shiny and bright yellow, does not tarnish or rust easily, and can be shaped easily?, A. Copper, B. Iron, C. Silver, D. Gold, Which metal is reddish-brown and can conduct electricity and heat?, A. Copper, B. Iron, C. Gold, D. Silver, What does shaping do to a material?, A. Changes it into food, B. Turns it into a gas, C. Makes it disappear, D. Changes its form or outline, What is pressing?, A. Cutting materials into pieces, B. Applying pressure to flatten or mold materials, C. Connecting materials together, D. Burning materials, What does hammering do to some materials?, A. Makes them thinner, stronger, or gives them a specific texture, B. Turns them into liquids, C. Makes them disappear, D. Makes them biodegradable, What is joining?, A. Removing part of a material, B. Connecting or assembling materials to create one unit or structure, C. Measuring a material, D. Observing a material, What does cutting involve?, A. Removing parts of a material to change its size or shape, B. Joining two materials, C. Measuring temperature, D. Adding water to a material, What is decay?, A. When liquids freeze, B. When metals become shiny, C. When objects become stronger, D. When materials break down or rot, Which can be an effect of decaying food and kitchen waste?, A. It attracts rats and insects., B. It makes the air cleaner., C. It produces fresh water., D. It makes food healthier., Why can burning waste be harmful?, A. It turns waste into fresh food., B. It always makes the air cleaner., C. It releases smoke and harmful chemicals into the air., D. It prevents air pollution., What is proper waste management?, A. Leaving waste anywhere, B. Managing waste to help prevent harmful gases, pests, and diseases and protect health and the environment, C. Burning all waste, D. Mixing all kinds of waste together, What is recycling?, A. Turning old or used materials into something new, B. Burning all used materials, C. Throwing materials into rivers, D. Burying all waste, What is composting?, A. Mixing chemicals together, B. Turning metal into plastic, C. Burning food waste, D. Turning kitchen waste into compost or organic fertilizer, What does biodegradable mean?, A. It takes thousands of years to decay., B. It breaks down easily over a short period of time., C. It cannot break down at all., D. It is always made of metal., What does non-biodegradable mean?, A. It breaks down quickly., B. It is always food., C. It does not break down naturally or may take thousands of years to decay., D. It can always be composted., Which is an example of a type of waste that should be properly disposed of?, A. Medicines, B. Clean air, C. Sunlight, D. Rain clouds, Which of the following is included among other types of waste that require proper disposal?, A. Used oil, B. Sunlight, C. Fresh air, D. Clouds

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