Answer the following question given this paragraph: Chemistry is the study of the structure, properties, and interactions of matter. Important concepts in chemistry include physical changes, such as water freezing, and chemical reactions, such as fireworks exploding. Chemistry concepts can answer all the questions on the left page of the notebook in Figure below . Do you know the answers?. Q: What is the study of structure, properties, and interactions of matter? Choices: - petrology - biology - geology - chemistry A:
chemistry
Answer the following question given this paragraph: Some fireplaces use propane gas rather than wood as fuel. Q: Instead of wood, what do some fireplaces use? Choices: - kerosene - gasoline - acetylene - propane A:
propane
Q: Answer the following question given this paragraph: A: Thermal energy is transferred by conduction from the hot iron to the shirt, from the hot cup to the hand holding it, from the flame of the camp stove to the bottom of the pot as well as from the bottom of the pot to the food inside, and from the feet to the snow. The shirt, hand, pot, food, and snow become warmer because of the transferred energy. Because the feet lose thermal energy, they feel colder. Q: How is thermal energy transferred in every-day, real life situations, such as holding a warm cup? Choices: - decomposition - condensation - oxidation - conduction A:
A: conduction
Question: Answer the following question given this paragraph: Algae is the focus of much research. Algae is a very promising alternative to traditional crops for biofuels. Q: Algae is a promising alternative to traditional crops for what type of fuels? Choices: - non-renewable - fertilizer - fossil - biofuel A:
Answer: biofuel
*Question*
Answer the following question given this paragraph: It might only take one sperm to fertilize an egg, but that sperm is not alone. Hundreds of millions of sperm can be released during sexual intercourse. Q: How many sperm does it take to fertilize an egg? Choices: - 3 - 2 - 4 - 1 A:
**Answer**
1
Q: Answer the following question given this paragraph: Seawalls and breakwaters are built parallel to the shore. Q: Seawalls and breakwaters are built parallel to what? Choices: - center-point - ocean base - the deep - shore A:
A: shore