A) The grains of sand are heavier than the water and the grains of clay. B) The water is heavier than the grains of clay and the grains of sand. C) The grains of clay are heavier than the grains of sand and the water. D) The water, grains of clay, and grains of sand are all of equal weight.
A) The weight of the rock B) The temperature where the rock was found C) The size of the rock D) The minerals the rock contains
A) Mineral B B) They have the same hardness C) Mineral C D) Mineral A
A) How much sunlight the rock receives B) The number of fossils in the rock C) The forces of erosion D) How the rock was formed
A) a B) c C) b D) d
A) Solid to liquid B) Gas to liquid C) Liquid to solid D) Liquid to gas
A) Ice Cube B) Milk 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 counts the number of birds and squirrels in a park D) She feeds sugar water to each and records how much they drink
A) Frighten or confuse enemies B) Stay warm C) Locate nectar filled flowers D) Fly away quickly
A) Use a magnet to pick up the iron cans B) Float the cans in water C) Use scissors to cut the cans D) Heat the iron cans until they melt
A) Use biodegradable materials B) Visit a landfill C) Use disposable plates
A) Which type of paper is safest for the environment? B) Which type of paper is the most colorful? C) Which type of paper is most absorbent? D) Which type of paper is the best buy?
A) Use maple syrup to test some paper towels and water to test other paper towels. 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 the same amount of water to test each paper towel.
A) Heat the mixture B) Pour water on the mixture C) Use a magnifying glass D) Use a magnet
A) Rubber B) Aluminum C) Water D) Tin
A) He can add more wires B) He can add more batteries C) He could add bigger light bulbs D) He can add more light bulbs
A) Brand O was more expensive than the other brands tested. B) Brand L caused the light to shine farther than the other brands tested. C) Brand M lasted longer than the other brands tested. D) Brand N gave off a stronger light than the other brands tested.
A) One bulb looks brightest to me, so I already know the answer. B) It would help if we had a way to measure the brightness of a light bulb. 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) Wide and steep B) Wide and level C) Narrow and level D) Narrow and steep
A) Evaporation B) Condensation C) Erosion D) Precipitation
A) The natural enemies of birds will be eliminated B) Weather conditions may change C) There will be less food and shelter D) The rate of erosion will increase
A) Go through the process of photosynthesis B) Eat the valve snail or the mosquito larva C) Eat pond grass and algae D) Live in warmer areas of its habitat
A) Rubber band B) Copper wire C) Plastic tube D) Toothpick
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 melting of an ice cube C) The movement of air D) The emptying of air from a balloon
A) Decide what he will conclude B) Ask friends what they think 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) A silver spoon B) A wooden spoon C) An aluminum spoon D) An iron spoon
A) A test tube B) A magnifying lens C) A telescope D) A balance
A) Place the cup in cold water B) Place the cup in warm water C) place you drink in the refrigerator for 10 minutes |