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