Need help asap Collect 5 different items around your house. You will investigate the physical and chemical changes that these items could go through. List your 5 items, describe their characteristics (color, size, shape, etc). Describe the physical and chemical changes each item could go through. Fill in the chart below
need help asap Collect 5 different items around your house. - 1

Answers

Answer 1
Answer:

Answer:

Explanation:

1. Apple: Characteristics - Red color, round shape, medium size.

- Physical Change: Cutting the apple into slices.

- Chemical Change: Apple slices turning brown when exposed to air.

2. Candle: Characteristics - White color, cylindrical shape, small size.

- Physical Change: Melting the candle wax when exposed to heat.

- Chemical Change: Burning the candle, where the wax reacts with oxygen to produce heat, light, and carbon dioxide.

3. Iron nail: Characteristics - Silver color, cylindrical shape, small size.

- Physical Change: Bending the nail with force.

- Chemical Change: Rusting of the nail when exposed to moisture and oxygen in the air.

4. Ice cube: Characteristics - Transparent color, cuboidal shape, small size.

- Physical Change: Melting the ice cube when exposed to heat.

- Chemical Change: Dissolving the ice cube in water, where the solid water molecules break down into liquid water molecules.

5. Paper: Characteristics - White color, flat shape, medium size.

- Physical Change: Folding the paper into different shapes.

- Chemical Change: Burning the paper, where the cellulose fibers in the paper react with oxygen to produce ash, heat, and carbon dioxide.

It's important to consider the specific characteristics and properties of each item when determining the possible changes they can undergo.

Answer 2
Answer:

Answer: One idea for one item you could write on SLIME!

Explanation: for an idea for one item, you could do slime for characteristics you could write about the chemical change and of course, since slime sits out, you could write about the physical change for chemical change, you could write about how the chemicals make it smell.


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Which volume is the smallest?A. One milliliter
B. One deciliter
C. One liter
D. One microliter

Answers

Answer:

d) one microliter

Explanation: The advantage of the SI (International system of measurements) is that everything is in base 10, and the prefix indicates the power of 10.

For the volume, the base unit is the liter.

one microliter = 0.000001 liter (one millionth, 1 / 1000000, of a liter)

one deciliter = 0.1 liter (one tenth, 1/10,  of a liter)

one liter = 1 liter

one milliliter = 0.001 liter (one thousand, 1/1000, of a liter)

As you can see, a microliter is by far the smallest of these units.

Final answer:

The smallest volume unit among the given options (One milliliter, One deciliter, One liter, One microliter) is One microliter.

Explanation:

The volume of a substance is a measure of the space it occupies. In this case, we need to identify the smallest unit of volume from the given options. The unit, microliter (represented by µL), is the smallest volume unit among the options. Here's a quick breakdown:

  • 1 milliliter (mL) = 1000 microliters (µL)
  • 1 deciliter (dL) = 100 milliliters (mL) or 100000 microliters (uL)
  • 1 liter (L) = 10 deciliters (dL) or 1000 milliliters (mL) or 1000000 microliters (µL)

So, the correct answer to your question is D. One microliter.

Learn more about Volume here:

brainly.com/question/31946306

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What is the name of the process plants use to make the energy (food) they need?A symbiosis
B respiration
C pollination
D photosynthesis

Please help.

Answers

the answer you looking for is D

Which of the following is a element water,oxygen, carbon dioxide ammonia

Answers

If you look on the periodic table, you'll find that oxygen is an element. You can also find out by looking up how each formula is written. Oxygen - O | Carbon Dioxide - CO2 | Water - H2O | Ammonia - NH3. An element has only one capital letter. Oxygen is the only one which falls under that category.

Answer:oxygen

Explanation:

Why is sodium more reactive than magnesium

Answers

Answer:

Mg has two valence electrons  

Explanation:

Na has only one valence electron, so it readily donates that electron to other atoms to achieve an octet.

Mg must lose two valence electrons to get an octet. It takes extra energy to remove the second electron. In addition, the two electrons are in a filled s subshell, which has added stability.

That is because Sodium it is more up in the scale unlike Magnesium. Sodium’s radioactive because it has a lesser number then Magnesium, Sodium has 1 and Magnesium is 2.

How much smaller is an electron than a proton​

Answers

Answer:

An electron is around 1800 times smaller than a proton

Explanation:

What does unicellular mean

Answers

consisting of a single cell.

 characterized by the formation or presence of a single cell or cells. 
Or consisting of a single cell.