A) The grains of clay are heavier than the grains of sand and the water. 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 water, grains of clay, and grains of sand are all of equal weight.
A) The temperature where the rock was found B) The weight of the rock C) The size of the rock D) The minerals the rock contains
A) Mineral A B) Mineral B C) Mineral C D) They have the same hardness
A) How the rock was formed B) The forces of erosion C) The number of fossils in the rock D) How much sunlight the rock receives
A) d B) c C) a D) b
A) Liquid to gas B) Liquid to solid C) Gas to liquid D) Solid to liquid
A) Ice Cube B) Steam C) Milk D) Pencil
A) She puts a squirrel and a bird together in a cage for a week and observes them B) She observed squirrels and birds and writes down everything they eat 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) Fly away quickly D) Locate nectar filled flowers
A) Float the cans in water B) Heat the iron cans until they melt C) Use a magnet to pick up the iron cans 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 the most colorful? B) Which type of paper is most absorbent? C) Which type of paper is safest for the environment? 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 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 magnet B) Heat the mixture C) Use a magnifying glass D) Pour water on the mixture
A) Water B) Aluminum C) Tin D) Rubber
A) He can add more batteries B) He can add more light bulbs C) He can add more wires D) He could add bigger light bulbs
A) Brand O was more expensive than the other brands tested. B) Brand M lasted longer than the other brands tested. C) Brand L caused the light to shine farther than the other brands tested. D) Brand N gave off a stronger light 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 level C) Wide and steep D) Narrow and level
A) Precipitation B) Evaporation C) Condensation D) Erosion
A) Weather conditions may change B) There will be less food and shelter C) The natural enemies of birds will be eliminated D) The rate of erosion will increase
A) Live in warmer areas of its habitat B) Eat pond grass and algae C) Go through the process of photosynthesis D) Eat the valve snail or the mosquito larva
A) Rubber band B) Copper wire C) Toothpick D) Plastic tube
A) roll it with less force B) roll it with more force C) make the surface of the ball rough
A) Great heat and pressure B) Volcanic activity C) Wind and water erosion D) Layering
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) Gather several sets of different-sized objects made of the same material into water B) Decide what he will conclude C) Place objects of different sizes and made of different materials into water D) Ask friends what they think
A) A silver spoon B) A wooden spoon C) An aluminum spoon D) An iron spoon
A) A balance B) A test tube C) A magnifying lens D) A telescope
A) place you drink in the refrigerator for 10 minutes B) Place the cup in cold water C) Place the cup in warm water |