what is a hypothesis?
A hypothesis is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot easily be explained by the prevailing scientific theory. When scientists make observations, they sometimes identify patterns in those observations. […]
The Chocolate Factory – Reading Comprehension
The following reading comprehension has been developed for Grade 3 students. The story is about visiting a chocolate factory. Students study the chocolate-making process. Please download the PDF The Chocolate Factory – Reading Comprehension Grade 2 The Chocolate Factory We visited a chocolate factory today as part of educational activity. School children were very excited […]
What is a rational number?
A rational number is a number that can be expressed as a fraction, where both the numerator and denominator are integers. In other words, it is a number that can be written in the form of a ratio. All whole numbers are rational numbers, since they can be expressed as fractions with a denominator of […]
What is a 401k?
A 401k is a retirement savings account that is offered by many employers. Employees can choose to have a portion of their paycheck automatically deposited into their 401k account. 401ks often have employer matching contributions, which can make them an attractive option for saving for retirement. There are several benefits of a 401k. One benefit […]
What is an earthquake?
An earthquake is a sudden, violent shaking of the ground caused by the shifting of rocks deep below the earth’s surface. Earthquakes can occur anywhere in the world at any time, and often cause extensive damage to buildings and other structures. They can also trigger landslides, tsunamis, and other devastating natural disasters.
What is a function in programming languages?
A function is a set of code that performs a specific task. Functions are often written to take arguments, or input values, and return a result. In many programming languages, functions are defined in modules, or libraries, which can be imported into other programs. Uses of functions Functions are often used to abstract away complex […]
What is a gene?
A gene is a unit of heredity and is typically a segment of DNA that codes for a protein or RNA molecule. Genes are passed down from parents to their offspring and are responsible for an individual’s inherited traits.
What is a Karen?
A “Karen” is a term used to describe someone – usually a woman – who is acting entitled and demanding beyond what is necessary. The term has been used online for years, but recently gained mainstream popularity after a series of viral videos showed women behaving badly in public. While the term “Karen” can be […]
What is an adjective?
An adjective is a word that describes a noun or pronoun. It can tell us what something looks like, what it feels like, its smell, sound, taste, size, shape, and more. Adjectives usually go in front of the noun they are describing. For example: The big dog barked. The red dress was beautiful. I’m so […]
Second Grade 2 – Adding Whole Tens (2 digits) – Exercise 5
Add the whole tens assessment for students. Please download the PDF: Second Grade 2 – Adding Whole Tens (2 digits) – Exercise 5