Nature of Science
Which statement is false about a scientific experiment?
A. It should have 3 or more trials.
B. Data should be collected.
C. You should not make observations and inferences.
D. You should have a control group.
The Earth orbits the sun. Yet the sun appears to move across the sky. What is responsible for this apparent motion of the sun?
A. Earth's Size B. Earth's orbit
C. Earth's rotation D. Earths revolution
The farther away from the sun a planet is, the _______________ it is.
A. hotter B. colder C. smaller D. rockier
Which of the following will change a liquid to a solid?
A. evaporation B. melting C. freezing
D. condensation
Which word describes a part of incomplete metamorphosis?
A. nymph B. tadpole C. seedling D. adolescent
A number of birds that make their nests near a lake have decreased over the last three years. What should scientists do FIRST to help the birds?
A. relocate the birds to another lake B. collect eggs and hatch them back in the lab C. observe the lake area over a period of time and gather information D. provide extra food for the birds
Which of the following is most important to Earth's weather cycles?
A. clouds B. Mountains
C. oceans D. Trees
A small chunk of rock passing through Earth's atmosphere that STRIKES THE EARTH is called a _________.
A. Asteroid B. Comet C. Meteor D. Meteorite
Which word describes the sprouting of a seed?
A. fertilization B. germination
C. reproduction D. pollination
A snails response to stimuli is being investigated. The following substances are on a paper towel: Syrup, lemon juice, vinegar, and water. The snail is put in the center of the paper towel to see how it would respond. Which observation is evidence of the snails response to stimuli?
A. It likes water B. It likes vinegar C. It moved toward the syrup D. It does not like lemon juice.
Wind, water, and ice are involved in both weathering and erosion. which sentence states a difference between weathering and erosion?
A. Erosion moves rock, weathering breaks it down.
B.Weathering moves rocks, erosion breaks it down.
C. Erosion breaks down rocks but doesn't move them.
D. Weathering moves rocks without breaking them down.
Which characteristic below is true for all the inner planets, but not the outer planets?
A. have moons B. are gas giants C. have no atmosphere D. have a rocky surface
Which surface will friction be the greatest when a block of wood slides across it?
A. Ice B. Sandpaper C. Glass D. Carpet
Which plant part is most importation in photosynthesis?
A. Leaf B. Root C. Stem D. Flower
Susi decided to conduct an experiment to see what would happen to different substances when viegar is added to them. She put a few drops of vinegar in some baking soda, some flour, and some sugar. Then she recorded her observations. What scientific term is used to describe the substances she tested with the vinegar?
A. hypotheses B. specimens
C. variables D. controls
A moon that appears more than halfway lit at night is called a _________________.
A. crescent moon B. new moon
C. gibbous moon D. full Moon
Which body system takes care of taking in and processing food into nutrients?
A. circulatory B. nervous
C. respiratory D. digestive
Troy had two groups of the same plants. He put one group near a sunny window and another group in a dark closet. He gave all plants the same amount of water. What is the independent or tested variable in this investigation?
A. the same amount of water B. same plants C. amount of light plants received D. how tall plants grew
What are the three types of rocks?
A. igneous, metamorphic, and cirrus
B. igneous, magnetic, and sedimentary
C. igneous, sedimentary, and metamorphic
D. sedimentary, erosion, and igneous
What causes the earth to have night and day?
A. earth's revolution B. earth's rotation
C. earth's gravity D. earth's magnetism
Which forms of energy come to Earth directly from the Sun?
A. heat and light B. chemical and light
C. light and mechanical
D. mechanical and electricity
Which is an example of a behavioral adaptation in animals?
A. a plant developing flowers B. an owl hunting at night C. a butterfly's camouflage pattern on its wings D. a cow having flat teeth