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grade 9 science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
what is the mass and charge of a gamma ray and what are they made of?   Gamma rays have no mass and no charge and they are made of energy.  
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what are three ways to charge an object?   Contact, Friction, Induction  
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What is the mass and charge of a beta particle and what are they made of?   Beta particles have the same mass and charge as an electron and they are made of matter.  
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What are the three differences between plant and animal cells?   Plant cells have one large vacuole, a cell wall and chloroplasts.  
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What is the haploid number of a human?   23  
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What are the five stages of mitosis?   Interphase, Prophase, Anaphase, Telophase.  
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What is the mass and charge of an alpha particle and what are they made of?   Alpha particles have four times the mass and 2 times the charge as a proton and they are made of matter.  
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What is the diploid number of a human?   46  
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What organism does binary fission take place in?   Bacteria  
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What are the three types of asexual reproduction in fungus?   Spores, Budding, Fragmentation.  
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what stage of mitosis does the centrmere occur in?   Prophase  
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in mitosis, when does the cytoplasm split?   late telophase  
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in what stage of mitosis do you start to see single stranded chromosomes?   anaphase  
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