Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
SS2 Post Test
| Question | Answer |
|---|---|
| Which type of characteristics can be inherited? | Those controlled by genes |
| According to the particle theory of matter, gas is the only state that... | is highly compressible |
| What is the boiling point of water on the Kelvin scale? | 373 |
| Mendel proposed that traits observed in pea plants resulted from a combination of "factors" inherited from each parent. His description of these "factors" can be considered the first scientific definition of the role of- | genes |
| Because zinc can be combine with other substances but cannot be changed into a simpler substance by an ordinary chemical process, zinc is classified as- | an element |
| Which of these is a result of burning fossil fuels? | Acid Rain |
| Fossil fuels such as gas, oil, and coal have what kind of energy? | Chemical energy |
| Whenever civilizations have flourished, forests have been destroyed. Hundreds of years ago in England, rivers and seaports began to fill with silt after the forests were destroyed. What caused the silt to fill the seaports? | Weathering and Erosion |
| The Earth makes a complete rotation once every 24 hours. Which of these would best illustrate rotation? | Coin spinning |
| A student wishes to test the hypothesis that adding antifreeze to water lowers the freezing point of the water. What would be the dependent variable? | Temperature at which the water/antifreeze mixture freezes |
| The island of Guam had no native snake species until the brown tree snake was introduced. What effect did this egg-eating snake have on the native bird populations? | Bird populations decreased as the snakes fed on the bird eggs |
| A driver must slam on the brakes to avoid hitting a box in the road. As the car comes to a stop, the driver's body moves forward. What law best explains why the driver's body moved forward when she slammed on the breaks? | Newton's first law |
| The presence of permafrost is a characteristic of which major biome? | Taiga |
| Plants release oxygen into the air as a result of photosynthesis. Which of these do plants need for photosynthesis? | Carbon Dioxide |
| Which system shows a transformation from chemical to electrical to light energy? | A car battery causes the headlights to shine |
| The amount of gravitational attraction between the Earth and an object depends on the object's distance from Earth and the objects- | Mass |
| Early space flights were unmanned because- | reliable life-support systems were not yet developed. |
| While hiking, a student finds a plant-like organism that lacks chlorophyll. When the student examines the organism using a microscope, she sees many cells with cell walls and no chloroplasts. The organism is most likely a member of what Kingdom? | Fungi |
| Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the Sun. The planet described is- | Mercury |
| Which of the following simple machines are combined to make a pair of scissors? | lever and wedge |
| Which of the following events involves a consumer and a producer in a food chain? | A deer eats a plant. |
| Which of the following do typical plant cells have that typical animals cells do not? | Cell Wall |
| Gravity is responsible for the- | orbits of the planets around the Sun |
| A student measured the power of a motor operating at different temperatures. The student recorded measurements at each 2 degree interval, Which change in the procedure would most improve the validity of conclusions based on this investigation? | Repeating the experiment several times |
| Because burning fossil fuels creates so much pollution, alternatives are being investigated. What might limit the use of wind as a major energy source? | The strength of the wind varies |
| Insulation materials reduce heat loss because they- | are poor conductors |
| What most likely happened to a species that has been found in the fossil record, but have no living members? | They became extinct |
| In the chemical formula for ammonia, NH3, what does the subscript 3 represent? | The number of hydrogen atoms in each molecule of ammonia |
| A gas enters the compressor of a refrigerator and is converted into a liquid. Which of the following happens to the gas as it becomes a liquid? | It releases thermal energy. |
| A new fence is being measured for a yard that is 5.3 meters by 4.8 meters. On a measure tape, what is the smallest unit that is necessary to measure the yard accurately for the fence? | Centimeters |
| What characteristics best describe the fungi kingdom? | Multicellular, heterotrophic, have nuclei |
| What is true about bases? | Taste bitter, chemical formula usually has OH in it, turns litmus blue, pH > 7 |
Created by:
smorrow801
Popular Physical Science sets