Answer the following question given this paragraph: The thermosphere is the layer above the mesosphere. It rises to 600 kilometers (372 miles) above the surface. The International Space Station and other space stations orbit Earth in this layer. Q: What is the name of the layer above the mesosphere? Choices: - exosphere - lithosphere - intersphere - thermosphere A:
thermosphere
(Question)
Answer the following question given this paragraph: Scientists find answers using tests : When scientists want to answer a question, they search for evidence using experiments. An experiment is a test to see if their explanation is right or wrong. Evidence is made up of the observations a scientist makes during an experiment. To study the cause of death in the chimpanzees, scientists may give the chimps nutrients in the form of nuts, berries, and vitamins to see if they are dying from a lack of food. This test is the experiment. If fewer chimps die, then the experiment shows that the chimps may have died from not having enough food. This is the evidence. Q: What is the term for a test to see if a scientific explanation is right or wrong? Choices: - invention - hypothesis - generation - experiment A:
(Answer)
experiment
Ques: Answer the following question given this paragraph: Q: What is water falling from the sky called? Choices: - snow - temperature - acid - precipitation A:
Ans: precipitation
(Q).
Answer the following question given this paragraph: Matter is anything that has mass and takes up space. Matter is everywhere. The air we breathe, the water we drink, the food we eat, and the ground we walk on are all comprised of matter. Matter can take on a variety of different forms which all have a variety of different properties. In this chapter, we will introduce the characteristics of matter and study how these characteristics vary in different types of matter. Q: Anything that has mass and takes up space is considered what? Choices: - energy - light - power - matter A:
(A).
matter
Ques:Answer the following question given this paragraph: Q: What do male cones in seed plants contain? Choices: - nutrients - spores - nitrogen - pollen A:

Ans:pollen
Answer the following question given this paragraph: Like a chemical compound, a mixture consists of more than one chemical substance. Unlike a compound, a mixture does not have a fixed chemical composition. The substances in a mixture can be combined in any proportions. A mixture also does not involve a chemical reaction. Therefore, the substances in a mixture are not changed into unique new substances, and they can be separated from each other without a chemical reaction. Q: What is the term for a combination of substances in which there is no chemical reaction? Choices: - a combination - a solute - a solution - a mixture A:
a mixture