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About image formed after light pass through a slit

Ask an Expert Topic Forum: Grades 9-12: Physical Science

About image formed after light pass through a slit About image formed after light pass through a slit What is needed such that the light has to be to create an image on the screen after passing through the slit that is exactly the same shape and size as the slit? Also, when the image pass through the self made lens but the final image on the screen is so vague and doenst has any similar shape of slit what factors affect the vividness and same (shape, size) of the image after the light pass… Read more

Bachelor's degree

Ask an Expert Topic Forum: Careers in Science

Bachelor's degree Bachelor's degree How many years of collage is a Bachelor's degree? Re: Bachelor's degree A bachelor's degree depends on the number of credits required by an institution and the fulfillment of whatever requirements are listed for the specific major. A bachelor's degree often takes an average of 4 years. Amy Science Buddies Read more

Batterie B31N1726 Asus ne charge pas

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Batterie B31N1726 Asus ne charge pas Batterie B31N1726 Asus ne charge pas Bonsoir à tous, voilà j'ai un problème de batterie depuis quelque temps j'ai un ASUS modèle B31N1726 en allumant l'ordi, il s'éteint après quelques secondes en étant (0% branché, EN CHARGE) je peux que l'utiliser avec le câble j'ai essayé la technique d'éteindre l'ordi, d'enlever le cable puis la batterie puiss remettre le câble rien n'a changé. [adminisrator - urls removed] Re: Batterie B31N1726 Asus ne charge… Read more

Broken Link in "That's a Real Smile! ...or is it?" Science Project

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Broken Link in "That's a Real Smile! ...or is it?" Science Project Broken Link in "That's a Real Smile! ...or is it?" Science Project https://www.sciencebuddies.org/science-fair-projects/project-ideas/HumBeh_p043/human-behavior/judging-real-smile My students would like to do this project, "That's a Real Smile! ...or is it?" however, it relies on the use of an online "Spot the Fake Smile" test that is no longer available at the link provided in the description… Read more

Flying Car

Ask an Expert Topic Forum: Grades 9-12: Physical Science

Flying Car Flying Car How would you make a flying car? [Administrator note: You have posted about several different topics. What science project are you working on? Please note that if you continue to post multiple messages in the forums that are not related to the project, your account may be deactivated. When you post again and again on a thread, you reduce the changes of getting a reply.] Re: Flying Car Please I really need help urgently. Re: Flying Car Can you explain in more detail… Read more

PLEASE ANSWER URGENTLY: Adsorption- Dyeing Fabrics with Kool-Aid

Ask an Expert Topic Forum: Grades 9-12: Physical Science

PLEASE ANSWER URGENTLY: Adsorption- Dyeing Fabrics with Kool-Aid PLEASE ANSWER URGENTLY: Adsorption- Dyeing Fabrics with Kool-Aid Hello, I am interested in doing this experiment in my school's science fair coming up. I have decided to look at how pH affects the adsorption of the dye but I have some things that I would like help on. I know that Kool-Aid already is acidic which may affect my results, so I am wondering about neutralizing the Kool-Aid empirically. Meaning I need to know the… Read more

Rock Candy Chemistry

Ask an Expert Topic Forum: Grades K-5: Physical Science

Rock Candy Chemistry Rock Candy Chemistry My son asked me a question that I have been unable to find an answer for. The question is as follows: Can you make rock candy by starting with cool sugar water, 60°. Or does the water have to be warm or hot when you insert the stick with the seed crystals for the crystallization process to start? Does anyone know the answer to this? Re: Rock Candy Chemistry I am not sure but I think to make rock candy it is preferred to use hot water because it… Read more

Strawberry dna

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Strawberry dna Strawberry dna How can we confirm at home if what was extracted is actually strawberry dna? [Administrator note: Step-by-step procedure for this project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/BioChem_p015/biotechnology-techniques/strawberry-dna] Re: Strawberry dna Hi! Confirming that the strands are in fact DNA would most likely require the use of advanced laboratory machinery. However, the strawberry DNA should appear as clear/white strands.… Read more

Help for Science Fair Competition

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Help for Science Fair Competition Help for Science Fair Competition Hello, I have a science fair competition coming up, and my project is to figure out which one is more effective: foaming hand soap, liquid hand soap, or gel hand sanitizer. I have two questions that I hope to be answered. 1) Even though I did this experiment multiple times and got foaming hand soap, online it says liquid hand soap. I think it has to do with the amount of water needed, because I didn't use any water, but I… Read more

Do different levels of 'heat' from different spicy peppers affect your body temerature?

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Do different levels of 'heat' from different spicy peppers affect your body temerature? Do different levels of 'heat' from different spicy peppers affect your body temerature? Science Fair Project Looking for websites to help with research, and questions on this topic to research Title suggestions also welcome! Thanks! [Administrator note: your posts have been combined so that it doesn't look like the post has been answered.] Re: Do different levels of 'heat' from different spicy peppers… Read more

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