science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the definition of matter? | Anything that takes up space and has mass
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| What is the definition of chemistry? | The study of matter and it's changes
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| What is the definiton of the particle theory of metter? | an explanation of what matter is made of and how it behaves; the particle theory states that all matter is made up of tiny particles that are always moving, that attract each other, and that have space between them.
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| What is point one of the particle theory? | All matter is made up of tiny particles
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| What is point two of the particle theory? | Particles have empty spaces between them
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| What is point three of the particle theory? | Even though you cannot see them, particles are moving randomly all the time
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| What is point four of the particle theory? | Particles move faster and spread farther apart when they are heated
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| What is point five of the particle theory? | Particles attrcat each other, so they tend to stay together rather than fly apart
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| What is the definition of a solid? | A state of matter with a definite shape and a definite volume
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| What is the definition of a liquid? | A state of matter with definite volume, but no definite shape; a liquid takes the shape of it's container
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| What is the definition of a gas? | A state of matter that does not have a definite shape; a gas takes the shape and volume of it's container
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| What is the difference between a mixture and a pure substance? | A mixture is matter that contains two or more particles while a pure substance is matter that contains only one kind or particle
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| What type of water is a pure substance? | Distilled water. It has had all non-water particles removed
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| Why is apple juice and tap water mixtures and not pure substances? | They are mixtures because apple juice has flavour. water, vitamin,and sugar particles. Tap water contains water and many other particles.
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| What remains the same when matter changes state? | The particles themselves remain the same and the number of particles remain the same
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| What changes when matter changes state? | The arrangement of the particles and the speed of the particles change
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| What is another word for a mechanical mixture? | Heterogeneous
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| What is another word for a solution? | Homogeneous
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| What is a mechanical mixture/heterogeneous? | A mixture with different parts that you can see
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| What is a solution/homogeneous? | A mixture that looks like a pure substance, you an't see the different parts it is made up of two or more pure substances
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| List 2 examples of a mechancical mixture/heterogeneous | Omlette and granola bar
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| List 2 examples of a solution/homogeneous | Apple juice and stainless steel
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