A) The water is heavier than the grains of clay and the grains of sand. B) The water, grains of clay, and grains of sand are all of equal weight. C) The grains of clay are heavier than the grains of sand and the water. D) The grains of sand are heavier than the water and the grains of clay.
A) The weight of the rock B) The size of the rock C) The minerals the rock contains D) The temperature where the rock was found
A) Mineral B B) Mineral A C) They have the same hardness D) Mineral C
A) How much sunlight the rock receives B) How the rock was formed C) The forces of erosion D) The number of fossils in the rock
A) d B) b C) c D) a
A) Liquid to solid B) Liquid to gas C) Gas to liquid D) Solid to liquid
A) Milk B) Ice Cube C) Steam D) Pencil
A) She observed squirrels and birds and writes down everything they eat B) She puts a squirrel and a bird together in a cage for a week and observes them C) She feeds sugar water to each and records how much they drink D) She counts the number of birds and squirrels in a park
A) Fly away quickly B) Stay warm C) Locate nectar filled flowers D) Frighten or confuse enemies
A) Heat the iron cans until they melt B) Use scissors to cut the cans C) Use a magnet to pick up the iron cans D) Float the cans in water
A) Use biodegradable materials B) Use disposable plates C) Visit a landfill
A) Which type of paper is most absorbent? B) Which type of paper is the most colorful? C) Which type of paper is the best buy? D) Which type of paper is safest for the environment?
A) Use different amounts of water to test each paper towel. B) Use hot water to test some paper towels and cold water to test other paper towels. C) Use maple syrup to test some paper towels and water to test other paper towels. D) Use the same amount of water to test each paper towel.
A) Heat the mixture B) Use a magnifying glass C) Pour water on the mixture D) Use a magnet
A) Tin B) Aluminum C) Rubber D) Water
A) He can add more light bulbs B) He could add bigger light bulbs C) He can add more wires D) He can add more batteries
A) Brand N gave off a stronger light than the other brands tested. B) Brand O was more expensive than the other brands tested. C) Brand M lasted longer than the other brands tested. D) Brand L caused the light to shine farther than the other brands tested.
A) It would help if we had a way to measure the brightness of a light bulb. B) One bulb looks brightest to me, so I already know the answer. C) We can take votes and each person will vote for the bulb he or she thinks is the brightest. D) All of the bulbs look bright to me, so there cannot be an answer.
A) Narrow and level B) Narrow and steep C) Wide and steep D) Wide and level
A) Evaporation B) Precipitation C) Erosion D) Condensation
A) There will be less food and shelter B) The natural enemies of birds will be eliminated C) Weather conditions may change D) The rate of erosion will increase
A) Eat pond grass and algae B) Live in warmer areas of its habitat C) Eat the valve snail or the mosquito larva D) Go through the process of photosynthesis
A) Copper wire B) Toothpick C) Rubber band D) Plastic tube
A) make the surface of the ball rough B) roll it with more force C) roll it with less force
A) Volcanic activity B) Layering C) Great heat and pressure D) Wind and water erosion
A) The movement of air B) The movement of air C) The emptying of air from a balloon D) The melting of an ice cube
A) Ask friends what they think B) Decide what he will conclude C) Gather several sets of different-sized objects made of the same material into water D) Place objects of different sizes and made of different materials into water
A) An aluminum spoon B) A silver spoon C) An iron spoon D) A wooden spoon
A) A magnifying lens B) A test tube C) A balance D) A telescope
A) Place the cup in cold water B) Place the cup in warm water C) place you drink in the refrigerator for 10 minutes |