A student who frequently checks social media during class is reprimanded by the teacher. The student reduces this behavior. Which operant conditioning principle is demonstrated?

What evidence do astronomers use to show that the universe is currently expanding?

Planetary Characteristics and Light Properties Match the definition to the correct term.

In the visible light spectrum, which color has the shortest wavelength and the highest energy?

In the scientific method, a testable prediction about the outcome of an experiment is called a:

Which of the following is a “qualitative” observation?

A massive cloud of gas and dust where stars are born is called a:

Our Sun is currently in which stage of its life cycle?  

Scenario: A student is testing if the mass of a toy rocket affects how high it flies. They use three rockets of different weights but use a different type of engine for each rocket to “make sure they all have enough power.” Question: Explain why this experimental design is flawed and identify what the student should change to make it a “fair test.” (2 Marks)

Scenario: You discover two different Nebulae. Nebula X contains enough gas to form a star the size of our Sun. Nebula Y contains ten times that amount of gas and dust. Question: Predict which nebula will likely result in a Black Hole at the end of its life cycle and explain why. (2 Marks)