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