Answer the following question given this paragraph: Define diffusion and effusion and how they relate to other properties of gases. Q: Gases can undergo diffusion, or the opposite, which is what? A:
OPTIONS:
- defusion
- dissipation
- infusion
- effusion
effusion
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Answer the following question given this paragraph: Birds evolved from a reptile ancestor, but modern birds and reptiles are very different. Birds are now the most numerous four-limbed reptiles on Earth. Q: Birds evolved from what type of ancestor? A:
OPTIONS:
- apes
- insect
- fish
- reptile
reptile
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Answer the following question given this paragraph: Feathers help birds fly and also provide insulation and serve other purposes. Birds actually have two basic types of feathers: flight feathers and down feathers. Both are shown in Figure below . Flight feathers are long, stiff, and waterproof. They provide lift and air resistance without adding weight. Down feathers are short and fluffy. They trap air next to a bird's skin for insulation. Q: Birds actually have two basic types of feathers: flight feathers and? A:
OPTIONS:
- colorful plumes
- landing feathers
- shed feathers
- down feathers
down feathers
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Answer the following question given this paragraph: Physics is the study of energy and how it interacts with matter. Important concepts in physics include motion, forces such as magnetism and gravity, and different forms of energy. Physics concepts can answer all the questions on the right page of the notebook in Figure above . Q: What is the study of energy and how it interacts with matter? A:
OPTIONS:
- quantum mechanics
- cosmology
- kinetics
- physics
physics
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