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 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 minerals the rock contains B) The size of the rock C) The weight of the rock D) The temperature where the rock was found
A) They have the same hardness B) Mineral A C) Mineral B D) Mineral C
A) How much sunlight the rock receives B) The forces of erosion C) How the rock was formed D) The number of fossils in the rock
A) d B) c C) b D) a
A) Gas to liquid B) Solid to liquid C) Liquid to gas D) Liquid to solid
A) Pencil B) Ice Cube C) Steam D) Milk
A) She observed squirrels and birds and writes down everything they eat B) She counts the number of birds and squirrels in a park C) She feeds sugar water to each and records how much they drink D) She puts a squirrel and a bird together in a cage for a week and observes them
A) Locate nectar filled flowers B) Stay warm C) Fly away quickly D) Frighten or confuse enemies
A) Heat the iron cans until they melt B) Use scissors to cut the cans C) Use a magnet to pick up the iron cans D) Float the cans in water
A) Use disposable plates B) Use biodegradable materials C) Visit a landfill
A) Which type of paper is the most colorful? B) Which type of paper is safest for the environment? C) Which type of paper is the best buy? D) Which type of paper is most absorbent?
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 the same amount of water to test each paper towel. D) Use hot water to test some paper towels and cold water to test other paper towels.
A) Use a magnet B) Heat the mixture C) Use a magnifying glass D) Pour water on the mixture
A) Aluminum B) Rubber C) Water D) Tin
A) He can add more light bulbs B) He can add more wires C) He can add more batteries 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 O was more expensive than the other brands tested. D) Brand L caused the light to shine farther than the other brands tested.
A) One bulb looks brightest to me, so I already know the answer. B) All of the bulbs look bright to me, so there cannot be an answer. C) We can take votes and each person will vote for the bulb he or she thinks is the brightest. D) It would help if we had a way to measure the brightness of a light bulb.
A) Wide and level B) Wide and steep C) Narrow and steep D) Narrow and level
A) Erosion B) Condensation C) Precipitation D) Evaporation
A) There will be less food and shelter B) Weather conditions may change C) The rate of erosion will increase D) The natural enemies of birds will be eliminated
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) Plastic tube B) Copper wire C) Rubber band D) Toothpick
A) make the surface of the ball rough B) roll it with less force C) roll it with more force
A) Layering B) Great heat and pressure C) Wind and water erosion D) Volcanic activity
A) The emptying of air from a balloon B) The movement of air C) The movement of air 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 iron spoon B) A wooden spoon C) An aluminum spoon D) A silver spoon
A) A magnifying lens B) A telescope C) A balance D) A test tube
A) Place the cup in warm water B) place you drink in the refrigerator for 10 minutes C) Place the cup in cold water |