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Fri April 6 Review
Question | Answer |
---|---|
What is the function of a plant's seeds? | Reproduce sexually |
What is the function of a plant's leaves? | To perform photosynthesis; make food for the plant |
What is the function of a plant's roots? | To get water & nutrients from the ground |
What kind of reproduction is vegetative reproduction, spores in fungi, fragmentation, budding, runners, and rhizomes? | asexual reproduction |
What is the female part of the flower? | pistil |
What is the male part of the flower? | stamen |
What kind of production includes eggs, flowers, seeds, pollination, fertilization, zygotes, and fruit? | sexual reproduction |
Name 3 nonrenewable energy sources. | oil, coal, natural gas |
What is the energy source that burns plant and animal waste? | biomass |
Name 3 kinds of renewable energy. | solar, hydroelectricity (or hydropower), wind turbines |
What are the main concerns with using fossil fuels? | pollution, greenhouse gases, limited supply |
What is a main concern for using solar, wind, or hydroelectricity? | expensive |
What is a kind of car that runs partly on electricity and partly on gasoline? | hybrid |
What is created by 2 hydrogen atoms and 1 oxygen atom? | water molecule |
Water, sugar, and salt are all examples of what? | compounds |
Hydrogen and oxygen are classified as what? | elements |
Minerals are composed of what? | elements |
Rocks are composed of what? | minerals |
What does a prism do to light? | refract it; allows you to see all the colors in white light |
What causes some objects to float and others to sink? | density |
What organism converts waste into nutrients for plants? | decomposers |
What kind of animal eats both meat and plants? | omnivore |
Which sides of a magnet repel each other? | the same poles - north & north or south & south |
Which sides of a magnet attract each other? | opposite poles - north & south |
When you state a measurement you made or something you saw, such as color of something, you are giving a what? | observation |
What is composed of tiny bits of weathered rock and organic material? | soil |
What is the danger of chemicals such as pesticides and fertilizers? | pollute the environment; endanger animals in waterways |
An earthquakes occurs near a crack in the Earth's crust called a what? | fault |
What kind of plate boundary cause an earthquake? | transform boundary |