1. 每日英语表达(Daily Easy English Expression)是Coach Shane的作品,是学习常速必练资源。每个视频3-5分钟,详细讲解了最常用美语慢速&常速发音区别,每个视频配一段对话(用于建立场景与语块),老师的讲解非常有趣。第1部分@20190629 2. 练习方法:每天学习5-10集,做笔记,反复跟读,模仿常速英语发音区别 3. 更多...
Older kids may also find learning about Newton’s 3 Laws to be interesting, and explore how they can apply those ideas to their egg races. Pin ELECTRIC CORNSTARCH Can you make oobleck jump? Learn about static electricity with this fun cornstarch and oil experiment. ELECTROMAGNET Did you know...
Besides these clear results the experiment has many advantages: it is easy to prepare and carry out, it requires very little equipment and it is cheap. The theory is simple and most important: it stimulates to further studies in biology.B.irgitta McEwen...
Learn more:Magic Milk Experiment (Guide + Printable Reflection Sheet) Team Cartwright 30. Watch the water rise Learn about Charles’s law with this simple experiment. As the candle burns, using up oxygen and heating the air in the glass, the water rises as if by magic. Learn more:Rising ...
Learn more:Water Suspension Experiment 21. Watch popcorn kernels dance Difficulty: Easy / Materials: Basic Here’s an activity that always feels a bit like magic. Drop an Alka-Seltzer tablet into a glass of water with popcorn kernels, and watch as the bubbles cling to the kernels and make ...
Bonus Quick Grab Packs for Biology, Earth Science, Chemistry, and Physics. Pin Post navigation PreviousApple Playdough Recipe Next Fun Pop Rocks Experiment We have a PASSION for SLIME, and are dedicated to helping you make the best slime ever. Questions? Just ask us! We also LOVE science and...
You don't need esoteric chemicals and a lab to have a good time with chemistry. Your average fourth-grader canmake slime, and it doesn't get any less fun when you're older, so this is a good at-home experiment for kids and adults alike. ...
In a biology experiment, students observe the growth of bacteria. Bacteria reproduce by ___. A. laying eggs B. giving birth C. sprouting D. division 相关知识点: 试题来源: 解析 D。本题考查细菌的繁殖方式。细菌通过分裂繁殖;laying eggs 是下蛋;giving birth 是分娩;sprouting 是发芽。反馈...
解析 A。本题考查实验器材名词。A 选项“microscope”意为显微镜,用于观察细胞;B 选项“telescope”是望远镜,主要用于观测天体等远距离物体;C 选项“binoculars”指双筒望远镜;D 选项“spectrometer”是分光计。在观察细胞的实验中,需要使用显微镜。反馈 收藏
Shadow Length Experiment –Observe how shadows change throughout the day based on the sun’s position. Cloud in a Jar Experiment –Simulates cloud formation. Paper Airplane Science Project –Test how design changes affect flight distance. Pin Biology & Environmental Science Projects How Does Water ...