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KhanAcademyExercises

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New exercises from Khan Academy 2021-07-25T16:04:56.000000
Atualizado: 24 minutos 26 segundos atrás

Write whole numbers as fractions

dom, 2021-06-27 20:56
Represent fractions as whole numbers and whole numbers as fractions.

Relate fractions to 1

dom, 2021-06-27 20:56
Determine whether fractions are greater than, less than, or equal to one.

Fractions on the number line

dom, 2021-06-27 20:56
Plot and spot fractions on the number line.

Using course mastery on Khan Academy

qui, 2021-06-24 20:11
A check for understanding of the Using course mastery on Khan Academy lesson.

Bronsted-Lowry concept of acids and bases

qui, 2021-06-24 10:56
Exercise on understanding the Bronsted-Lowry concept of acids and bases

Using assignments to support mastery learning

seg, 2021-06-21 23:29
A check for understanding of the Using assignments to support mastery learning lesson.

Manipulate formulas

dom, 2021-06-20 07:02
Solve multi-variable formulas for a specific variable in order to solve some word problems.

Bohr model: energy levels

ter, 2021-06-08 04:45

Photoelectric effect: positive collector

ter, 2021-06-08 04:42
Let's practice some problems to better understand the variation of photocurrent and the physics behind it when we have a positive anode in photoelectric effect.

Using units to solve problems

seg, 2021-06-07 08:58
Solve word problems by thinking about the units of the different given quantities.

Photoelectric effect: changing intensity

sex, 2021-06-04 16:12
Let's practice some problems to better understand the effects of changing intensity of the light source responsible for photoelectric effect.

Gel electrophoresis

ter, 2021-06-01 06:48
Separation of DNA fragments, negative charge, electrodes, length of DNA and speed of movement, ethidium bromide and visualising DNA>

Restriction enzyme mechanism

ter, 2021-06-01 06:46
Endonuclease vs exonuclease, palindrome, sticky ends, recombinant DNA

Open protocol development

seg, 2021-05-24 11:27
Check your understanding of what it means for protocols to be open and non-proprietary in this set of free practice questions designed for AP Computer Science Principles students.

Modeling with sinusoidal functions: phase shift

seg, 2021-05-24 11:11
Given the description of a real-world relationship, find the sinusoidal function that models it. The functions in this exercise have a phase (horizontal) shift.

Military conflict in the Civil War

seg, 2021-05-24 11:05
Test your skills on the various factors that contributed to the United States' victory in the Civil War!

Intramolecular force and potential energy

sex, 2021-05-21 19:06
Check your understanding of intramolecular forces and potential energy in this set of free practice questions designed for AP Chemistry students.

Balancing chemical equations 1

sex, 2021-05-21 17:41
Practice balancing chemical equations

Concrete and abstract nouns

sex, 2021-05-21 16:00
Learn to distinguish between abstract and concrete nouns!

Socialization questions

sex, 2021-05-21 14:49
Questions pertaining to socialization

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