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