1. What is matter? a) Anything that can be seen b) Anything that has mass and occupies space c) Anything that can produce energy d) Anything with a solid shape 2. Which of the following is NOT a state of matter? a) Solid b) Liquid c) Gas d) Plasma 3. What happens to the particles of a substance when it is heated? a) They move faster and spread apart b) They stop moving c) They move slower d) They disappear 4. Which state of matter has a fixed shape and fixed volume? a) Solid b) Liquid c) Gas d) Plasma 5. Condensation is the change of state from: a) Gas to liquid b) Liquid to solid c) Solid to gas d) Liquid to gas 6. Melting is a change of state from: a) Liquid to gas b) Solid to liquid c) Gas to liquid d) Liquid to solid 7. Which process occurs when water turns into steam? a) Freezing b) Evaporation c) Condensation d) Melting 8. Which is an example of a chemical change? a) Melting ice b) Breaking glass c) Burning wood d) Freezing water 9. Which of the following is an example of matter? a) Light b) Air c) Heat d) Electricity 10. The ability of a substance to dissolve in another substance is called: a) Boiling b) Freezing c) Solubility d) Evaporation 11. Which of the following is a characteristic of all living things? a) Ability to move b) Reproduction c) Absence of cells d) Lack of energy use 12. Non-living things can NOT: a) Grow b) Move on their own c) Breathe d) All of the above 13. What does it mean if an organism is said to be ‘autotrophic’? a) It depends on others for food b) It makes its own food c) It only lives in water d) It cannot reproduce 14. Which one of these is a living thing? a) Car b) Mountain c) Tree d) Rock 15. A characteristic of non-living things is that they: a) Do not reproduce b) Have cells c) Breathe d) Grow 16. Which of these organisms is NOT an example of an autotroph? a) Dog b) Oak tree c) Algae d) Grass 17. Which characteristic of living things explains why a rabbit runs away from a predator? a) Growth b) Respiration c) Response to stimuli d) Reproduction 18. The smallest unit of life in living things is the: a) Atom b) Cell c) Tissue d) Organ 19. Plants are different from animals because they: a) Can move from place to place b) Can reproduce c) Produce their own food d) Have organs 20. Non-living things do NOT: a) Have movement b) Breathe c) Grow d) All of the above 21. Which of the following is a pathogen? a) Virus b) Water c) Rock d) Plant 22. Malaria is caused by: a) Bacteria b) Virus c) Protozoa d) Fungus 23. Which pathogen causes the common cold? a) Bacteria b) Virus c) Fungus d) Protozoa 24. Vaccines are used to: a) Kill bacteria b) Strengthen muscles c) Prevent diseases d) Cure colds 25. Washing hands with soap helps to: a) Create pathogens b) Spread pathogens c) Remove pathogens d) Absorb pathogens 26. What is the role of antibiotics? a) To kill viruses b) To kill bacteria c) To prevent dehydration d) To increase growth 27. Which disease can be prevented by using mosquito nets? a) Malaria b) Tuberculosis c) Measles d) Flu 28. Which of these can cause food poisoning? a) Sunlight b) Bacteria c) Water d) Air 29. A pathogen that causes athlete’s foot is: a) Virus b) Bacteria c) Fungus d) Protozoa 30. Which of the following is NOT a method of disease prevention? a) Vaccination b) Hand washing c) Physical exercise d) Eating unwashed fruits 31. Which of these is a source of energy? a) Sun b) Water c) Wind d) All of the above 32. The ability to do work is called: a) Power b) Energy c) Strength d) Force 33. Energy stored in food is called: a) Light energy b) Chemical energy c) Sound energy d) Thermal energy 34. Solar energy comes from: a) Water b) Sun c) Wind d) Soil 35. Energy cannot be: a) Created or destroyed b) Changed in form c) Moved d) Used by living things 36. Which of the following is a non-renewable energy source? a) Solar power b) Wind power c) Oil d) Hydroelectric power 37. Which of these is NOT a form of energy? a) Sound b) Light c) Air d) Heat 38. Kinetic energy is: a) Energy in motion b) Stored energy c) Light energy d) Chemical energy 39. The energy in a stretched rubber band is an example of: a) Kinetic energy b) Potential energy c) Light energy d) Sound energy 40. Fossil fuels include: a) Coal, oil, and natural gas b) Wood, water, and solar c) Wind, sun, and soil d) None of the above 41. The water cycle is also known as: a) Evaporation b) Precipitation c) Hydrological cycle d) Condensation cycle 42. Water in lakes, rivers, and oceans returns to the air through: a) Condensation b) Evaporation c) Precipitation d) Freezing 43. Rain, snow, and sleet are forms of: a) Evaporation b) Precipitation c) Condensation d) Collection 44. When water vapor cools down, it forms: a) Rain b) Ice c) Snow d) Clouds 45. Which part of the water cycle involves water vapor rising into the air? a) Precipitation b) Condensation c) Evaporation d) Collection 46. Which of these is a type of pollution? a) Water pollution b) Air pollution c) Soil pollution d) All of the above 47. Plastic waste is most harmful to: a) Animals b) Plants c) Soil d) None of the above 48. Which of these is not a cause of water pollution a)