How does a substance act? Appearance—physical description of a substance 2. Behavior—how a substance acts; for example, magnetism, viscosity, ductility 3. Physical properties such as size and magnetism can be used to separate mixtures. What is the smallest negative number in the world? So there is no smallest negative integer. the set of negative integers […]
Can you change the pitch of the straw by blowing harder?
Can you change the pitch of the straw by blowing harder? Blowing on the reed causes the straw to vibrate. A standing wave pattern is created along the length of the straw, which we hear as sound. As you shorten the straw you shorten the wavelength of the standing wave pattern and therefore increase the […]
What is a scientific conclusion based on?
What is a scientific conclusion based on? A conclusion is based on observations and experiments completed within a limited time frame. A scientific theory is based on observations and experiments completed over an extended time frame. Think of an exercise a subject could do in the laboratory at a slow speed and a fast speed. […]
Which side of the brain controls vision?
Which side of the brain controls vision? occipital lobe Which side of the brain controls emotions? left What part of the brain controls love? limbic system Which side of the brain controls depression? Some felt negative symptoms like anxiety and sadness when the right brain was activated. Others felt bad when the left brain was […]
Why is carbon the standard for atomic mass?
Why is carbon the standard for atomic mass? Carbon-12 is the standard while measuring the atomic masses. Because no other nuclides other than carbon-12 have exactly whole-number masses in this scale. What is the atomic number of carbon and the number of protons that it has? 6 What is the atomic mass for carbon? 12.0107 u […]
Which type of neuron is most common in the brain?
Which type of neuron is most common in the brain? Multipolar neurons What type of neurons are bipolar? A bipolar neuron, or bipolar cell, is a type of neuron that has two extensions (one axon and one dendrite). Many bipolar cells are specialized sensory neurons for the transmission of sense. As such, they are part […]
What is the net charge of the earth?
What is the net charge of the earth? The Earth is charged negatively and carries about 5×10^5 C due to the Ionosphere – Earth capacitance which is about 1 F. The positive charge of Ionosphere is formed by the predominantly positively charged cosmic rays with intensity is about 10^4 nuclei per square meter per second […]
What is the purpose of safe harbor laws?
What is the purpose of safe harbor laws? The goal of all safe harbor laws is to repeal the punitive approach to minors who are victims of commercial sexual exploitation and sex trafficking (i.e., prostituted minors). As such, all safe harbor laws must redirect youth away from the justice system. What is the purpose of […]
What are 3 main types of glacial erosion?
What are 3 main types of glacial erosion? Glacial erosion involves the removal and transport of bedrock or sediment by three main processes: quarrying (also known as plucking), abrasion, and melt water erosion. Is Fiord erosion or deposition? When a glacier melts it deposits the sediment it eroded from land, creating various landforms. Name some […]
What is the main function in the respiratory system?
What is the main function in the respiratory system? Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. How many airways do we […]