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3 years ago

In which list below do the experimental steps appear in the order in which they are done?

1 answer:

5 0

The answer is B . You begin with a purpose for the lab, then hypothesize on what you believe will happen. Next, follow the procedures. This is always the last step, Anatoly did. Reflect upon you hypothesis, did the lab support or disprove your hypothesis. Include observations you have made. Identify errors.

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Okay please help me all my assignments are due tomorrow! I need to know 5 examples of all 6 simple machines that can be found in

iren [92.7K]

Answer:

Inclined Plane – A ramp, for example a wheelchair ramp. Paired inclined planes make a pitched roof.

Wheel & Axle – On lawnmowers and wheelbarrow. Also, found in cabinet door glides and on appliances. Another common example – door knobs and even inside those locksets.

Lever – The bottle opener. Tools – the crowbar, and scissors or pliers. Double Levers – a door, a toilet seat, a broom.

Pulley – Old wood windows, some garage doors, workshop or garage lifting systems.

Wedge – The shim – used throughout the home in construction. For example, when installing doors, windows, cabinets, etc. Sometimes used to level furniture or chairs.

Screw – Like the wedge, above, well, you couldn’t build a house without screws. Certain types of plumbing valves. Plus, a jar lid is a popular example.

Now for deeper look at the simple machines found around our homes.

The hope this will be helpful.

3 0

3 years ago

When the first periodic table of the elements was published, the elements were arranged by atomic mass. Although several element

sesenic [268]

<span>"New information changed the understanding of the atom’s structure"

Whenever a scientific observation is made, it has to be verified and its interpretation over time may change due to understanding of the specific phenomenon. Scientists do not alter the observation in any way; instead, explanations are presented to fit the observations as best as possible.</span>

8 0

3 years ago

A wave that can travel only through what is a mechanical wave

WINSTONCH [101]

The answer is matter

6 0

3 years ago

Which condition must be met in order for an equation to be balanced? The elements in the reactants are the same as the elements

den301095 [7]

Answer:

The elements in the reactants are the same as the elements in the products

Explanation:

The condition for a balanced equation is as follows :

The number of atoms for each element in reactant = Number of atoms for each element in product.

Total charge on reactant and product must be same.

The example of a balanced equation is:

Reaction of carbon and hydrogen :

$C+2H_2\rightarrow CH_4$

No. of carbon atom on Carbon on LHS = 1

No. of carbon atom on Hydrogen on LHS = 4

No. of carbon atom on Carbon on RHS = 1

No. of carbon atom on Hydrogen on RHS = 4

So, for a balanced equation, The elements in the reactants are the same as the elements in the products. Hence, the correct option (a).

3 0

3 years ago

Read 2 more answers

A machine that promises more energy output than input is??

Sphinxa [80]

-- sometimes presented as a "perpetual motion machine" /// -- impossible to construct /// -- a scam /// -- a fraud /// -- often lubricated with snake oil

3 0

3 years ago