Does science change over time? The accepted views of science knowledge can change over time. Changes can result from new science observations, but can also be affected by social, political or religious convictions. To develop a deeper understanding, students need to investigate the context of the time in which science ideas were developed. What’s the […]
Does a peeled orange float in water?
Does a peeled orange float in water? Drop an orange into water and it floats, but remove the peel from that same orange and it will sink. The unpeeled orange floats because the rind is very porous and filled with tiny pockets of air. Even though you’re removing mass when you peel the orange, the […]
Why is NOx bad for the environment?
Why is NOx bad for the environment? High levels of NOx can have a negative effect on vegetation, including leaf damage and reduced growth. It can make vegetation more susceptible to disease and frost damage. NOx also reacts with other pollutants in the presence of sunlight to form ozone which can damage vegetation at high […]
What is the sphinx moth?
What is the sphinx moth? Hawk moth, (family Sphingidae), also called sphinx moth or hummingbird moth, any of a group of sleek-looking moths (order Lepidoptera) that are named for their hovering, swift flight patterns. These moths have stout bullet-shaped bodies with long, narrow forewings and shorter hindwings. Why is it called a sphinx moth? The […]
What is the relationship between mass and acceleration when force is constant?
What is the relationship between mass and acceleration when force is constant? Newton’s second law of motion (also known as the force law ) states that… acceleration is directly proportional to net force when mass is constant, and… acceleration is inversely proportional to mass when net force is constant, and consequently… net force is directly […]
Why was Butter Battle Book Banned?
Why was Butter Battle Book Banned? The Butter Battle Book was banned from some libraries in Canada and the United States because it satirized the Cold War. What was the primary difference between the Yooks and the Zooks in The Butter Battle Book? The difference between the two cultures is that while the Yooks eat […]
Why was Salt Satyagraha described briefly?
Why was Salt Satyagraha described briefly? The Salt Satyagraha was a mass civil disobedience movement initiated by Mahatma Gandhi against the salt tax imposed by the British government in India. He led a large group of people from Sabarmati Ashram on 12th March 1930 till Dandi, a coastal village in Gujarat, to break the salt […]
Where is the low pressure cycling switch located?
Where is the low pressure cycling switch located? Pressure cycling switch: The A/C pressure cycling switch is located in the low-side. Some vehicles mount theirs on the accumulator, others on the lines. Some vehicles use a temperature-controlled cycling clutch switch to maintain evaporator temperatures. Are float switches normally open? A float switch is wired in […]
What do Benito Mussolini and Joseph Stalin have in common?
What do Benito Mussolini and Joseph Stalin have in common? Similarities: • Both opposed liberalism; supported powerful government institutions • Gained support in the post-WWI period, directly benefitting from instability and societal unrest caused by the aftermath of the war Fundamental Difference: Mussolini founded an ideology and a movement with himself as the leader; … […]
Which is better SpongeBob or Family Guy?
Which is better SpongeBob or Family Guy? While Family Guy is focused on adult humor, Spongebob’s humor is geared more towards younger audiences. Both are funny in their own way, but way too different to compare the two. It’s like comparing apples to oranges. Is it true SpongeBob was supposed to be for adults? No, […]