There are usually four steps in the scientific method, including observation (观察), hypothesis (假设), experiment and conclusion. The steps may not always be completed in the same order, but the first step is usually observation and asking a question about your observation. For example, you ...
根据第二段中的“Science is dynamic: new methods get invented; old ones get abandoned; and at any particular point, scientists can be found doing many different things.(科学是动态的:新的方法被发明,旧的被遗弃,在任何一个特定的时间都可以发现科学家们在做着不同的事情)”可知,科学的本质是动态的...
(type of ball) What was controlled? (the height the ball was dropped from, the surface it was dropped on) Follow Up When we’re doing experiments, we have to make sure our tests are fair. Otherwise, our results might not be accurate. Example: Do marigold seeds that receive sunlight gro...
Kids will be amazed as they watch the colored water move from glass to glass, and you’ll love the easy and inexpensive setup. Gather some water, paper towels, and food coloring to teach the scientific magic of capillary action. Learn more:Capillary Action Go Science Girls 32. Give a ball...
Explore surface tension of water when you try this fun penny lab with the kids. EGG DROP PROJECT Check out our mess-free version of a classic science experiment. This egg drop challenge is a great way to introduce kids to the scientific method as you test out ideas to protect your egg ...
答:It 是主语,was谓语,example宾语,of后面的一串都是介词短语.完整的形式是:It was a good example of the scientific method (which is)working the way (that)it is supposed to.定语从句的引导词被省略.the way it is supposed to.的句型类似于:the food we eat=the food that we eat.我们吃的食物....
Cryopreservation of mouse spermatozoa is widely used for the efficient preservation and safe transport of valuable mouse strains. However, the current cryopreservation method requires special containers (plastic straws), undefined chemicals (e.g., skim m
Check out our list of the best poll apps to learn more about your options, or if you want to ask multiple questions, try one of the best survey apps. You can always link to your external poll or survey in Slack. Automate Slack with Zapier Whether you're looking for a scientific approa...
An example of the x, y, z method would be: Reduced business costs and increased profit (X), reducing food costs by 15% (Y) by reviewing purchased items and negotiating with suppliers (Z). 7. Proofread your resume. Before you submit your resume to your prospective employer, you should ...
Engage your students in the steps of thescientific methodto create these stunning lab-grown geodes. Compare the results using sea salt, kosher salt, and borax. Learn more:How To Make Egg Geodes Water Science Experiments for Kindergarten