Chemistry, 19.05.2021 17:30 jabper5522

Drag the tiles to the correct boxes to complete the pairs. Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identical sprouted seeds to do your experiment, and you may add any other equipment of your choosing. Using the scientific method, design an experiment that meets your teacher’s criteria. Match each step of the scientific method with a step of the experiment.

Tiles:

Make observations.

Ask a question.

Test the hypothesis.

Analyze the results, and make a conclusion.

Test or modify.

Boxes:

Plant one sprouted seed with its stem
pointing up. Plant the other sprouted
seed so its stem points down, in the
direction that roots grow. Observe
the direction of growth of the stems.

If you observe no change, repeat the
experiment. If there is a change, repeat
the experiment for one or two more trials
to ensure that the stem always grows up,
against the direction of gravity.

Do the stems of plants always grow up
even when the seed is turned so the
stem points down?

Determine whether the direction that a stem
points affects the direction in which the stem
grows.

The stems of plants grow up, against the
direction of gravity.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 00:30

13. calculate the initial concentration (before precipitation) of carbonate ions after the addition of each 0.05 ml of solution b to the 1.00 l beaker of solution a. divide the work among group members and write the answers in the table in model 3. assume the volume change as solution b is added is negligible. 14. notice the initial concentrations of zn2+ - and cu2+ in the table in model 3. a. explain how these were obtained from the data in model 2. b. as solution b is added and precipitates form, do these initial concentrations change? 15. use the data in model 2 to indicate the presence of precipitate (either znco3 or cuco3) after each 0.05 ml addition of solution b in model 3. 16. use the initial concentrations of carbonate ions and zinc ions to calculate the reaction quotient, qsp for the zinc carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3. 17. use the initial concentrations of carbonate ion and copper(ii) ions to calculate the qsp for the copper(ii) carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3.

Answers: 3

Answer

Chemistry, 22.06.2019 17:30

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

Answers: 1

Answer

Chemistry, 22.06.2019 18:50

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %

Answers: 1

Answer

Chemistry, 22.06.2019 21:30

Light waves are as they pass through the