1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kakasveta [241]
3 years ago
11

Science fair projects for 7th grade ideas?

Chemistry
2 answers:
allsm [11]3 years ago
8 0
Try the classic volcano project, grab construction paper and special liquid and some paint and etc and u good to go or u can try the twister idea of where u connect two soda cans and pour it out to make a twister tornado.
klio [65]3 years ago
4 0
Volcano         you make the volcano with baking soda and vinegera          
You might be interested in
Name for continents in one landmass surrounded by gigantic ocean
timama [110]
A Pangaea <span>is the name for continents in one landmass surrounded by gigantic ocean.

Good luck with your studies, I hope this helps!</span>
3 0
3 years ago
A buret was improperly read to 1 decimal place giving a reading of 27.2 mL. If the actual volume is 27.26 mL, what is the percen
Elenna [48]
Using the significant figure it would be 27.3
8 0
3 years ago
Help lol sorry if I’m spamming this is just really hard for me
galben [10]
It’s true:)
The subscript on chemical equations tells you how many atoms the elements have. If there is no subscript then there is only 1 atom.
4 0
3 years ago
Read 2 more answers
Please help me as soon as possible! Please help me as soon as possible!
Nastasia [14]

The Answer is D. Suspending a heavy weight with a strong chain.

6 0
3 years ago
Which planets mass is nearly double that of mercury?
Nana76 [90]

Answer:

earth I think like that because earth is the second planet

4 0
3 years ago
Other questions:
  • Calculate the relative formula/atomic mass of each of the following compounds:
    15·1 answer
  • Match these items. 1. smallest unit of an element 2. original site of alchemy 3. consists of only one substance 4. good conducto
    13·1 answer
  • In Nuclear chemistry, the key requirement for a chain reaction is that...a. each event must produce more than one particle capab
    14·1 answer
  • Which balanced equation represents a chemical change? A) H2O() + energy → H2O(g) B) 2H2O() + energy → 2H2(g) + O2(g) C) H2O() →
    9·1 answer
  • For the reaction N2(g)+O2(g)⇌2NO(g)N2(g)+O2(g)⇌2NO(g) classify each of the following actions by whether it causes a leftward shi
    12·1 answer
  • Note that butane has two possible isomers but that decane has 75 possible isomers. Why does the number of possible isomers go up
    6·1 answer
  • The half life for the first order conversion of A to B is 56.6 hours. How long does it take for the concentration of A to decrea
    10·1 answer
  • What are some ways that students and staff of a school can help slow water, land, and air pollution?
    10·2 answers
  • What is the balanced net ionic reaction for the following -<br>CaCl2 + Na2S --&gt; NaCl + CaS?​
    11·1 answer
  • The chemical formula for acetone is: ch32co calculate the molar mass of acetone. round your answer to 2 decimal places.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!