Middle school science question - 30 points to best answers?
I have three questions about science. I took these recently on an exam and we won't be receiving the exam back until after our fall break. I kind of remember them.
Q1. What can you give a wilted stalk of clery that will make it firmer.
Answers were:
Distilled water (chose this)
Salt Water
Vinegar
and something else I can't remember
Q2. What items do you need to show an experiment about diffusion .
Answers were
Teabag, glass, hot water (chose this)
lemonade mix, water, spoon
forgot it
forgot it
Also one more question. It is kind of difficult to explain.
Basically, it showed a cell membrane with a nucleus inside. There were three dots on the inside and numerous surrounding it on theoutside. The question was if the cell membrane became permeable to the dots (particles) Then what would happen to the cell.
Answers we;
Particles would leave
Particles would enter
Cell would collapse ( my answer)
Cell membrane would surround one particle
1. A
2. A
3. B
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