Jeopardy Big Bang Star Life Nuclear Fusion Planets Misc. Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.

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Presentation transcript:

Jeopardy Big Bang Star Life Nuclear Fusion Planets Misc. Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

$100 Question from H1 How old do scientists think the universe is?

$100 Answer from H1 15 billion years

$200 Question from H1 List the three key pieces of evidence for the Big Bang.

$200 Answer from H1 Redshift (universe expansion) Quantity of light elements Cosmic Microwave Background

$300 Question from H1 How does the evidence of a Cosmic Microwave Background support the Big Bang theory?

$300 Answer from H1 The Big Bang was a large explosion, and explosions are hot for a while after they’re done. The Cosmic Microwave Background is the leftover heat throughout the universe from the Big Bang.

$400 Question from H1 How do we know the universe is expanding?

$400 Answer from H1 Galaxies appear to be red, which means their lightwaves are stretched out, which means they are moving away from us. Everything appears to be moving away from everything. This means the universe is expanding. This means that everything must have been together at one point.

$500 Question from H1 How does the quantity of light elements support the Big Bang theory?

$500 Answer from H1 The amount of light elements in the universe is more than stars could have possibly made. If the Big Bang theory is true, the conditions would have been right for these elements to have been formed at the beginning of the universe.

$100 Question from H2 How does a star begin to form?

$100 Answer from H2 Large groups of dust condense due to gravity.

$200 Question from H2 What makes a star give off light and heat. In other words, what makes it shine?

$200 Answer from H2 Nuclear fusion

$300 Question from H2 What is a white dwarf?

$300 Answer from H2 The core of a dead star that still retains some heat.

$400 Question from H2 What is a black dwarf?

$400 Answer from H2 The core of a dead star that has cooled off.

$500 Question from H2 What does Miss Katrina think is the coolest thing about stars?

$500 Answer from H2 Everything around us was formed inside of stars! AMAZING! SIDE NOTE: If you don’t think this is cool, you’re wrong.

$100 Question from H3 How does nuclear fusion begin?

$100 Answer from H3 Dust and gas particles condense together, and the intense heat and pressure causes them to fuse.

$200 Question from H3 When two hydrogen atoms in a star combine with enough heat, pressure, and speed, what happens? What do they become?

$200 Answer from H3 They fuse and create a helium atom.

$300 Question from H3 Describe the constant battle going on with in a star – think in and out.

$300 Answer from H3 Because of the mass, gravity pushes in on the star. Fusion of light elements releases energy, which pushes out.

$400 Question from H3 Eventually elements with more mass begin to fuse. This releases more energy, and therefore more “push” from the inside of the star. How does this change the star?

$400 Answer from H3 The star expands, becoming a red giant or supergiant. One day our sun will run out of hydrogen, expand, and burn up the inner planets – including Earth!

$500 Question from H3 What is the fuel of a star and what happens when it runs out?

$500 Answer from H3 Hydrogen. Eventually only heavy elements can be made, the fusion of which does not release energy. No more explosions pushing out, gravity wins, the star collapses.

$100 Question from H4 How old is the Earth?

$100 Answer from H billion years

$200 Question from H4 What are the inner planets made of? What are the outer planets made of?

$200 Answer from H4 Inner - rocky materials Outer – gas and ice particles

$300 Question from H4 How are meteorites used to determine the age of the Earth?

$300 Answer from H4 Earth rocks are not good for dating because the rock cycle causes them to change all the time. Since everything in our solar system formed at about the same time, scientists can find the age of meteorites and infer that the Earth is approximately the same age.

$400 Question from H4 How did the churning, moving, spinning, rotating, revolving get started in our solar system?

$400 Answer from H4 The movement caused by the gravitational pull of the formation of the star disrupted everything, causing everything to begin to move.

$500 Question from H4 Describe how planets form.

$500 Answer from H4 As particles are moving around a star, they’re moving approximately the same speed, so when they collide, it’s not destructive. They stick together, gaining more mass, thus gaining more gravity. They attract more particles, and this process continues – planets form.

$100 Question from H5 Who is the best teacher ever?

$100 Answer from H5 Miss Katrina

$200 Question from H5 What are you going to do tonight?

$200 Answer from H5 Study for my Earth Science test.

$300 Question from H5 What is the capital of Uganda?

$300 Answer from H5 Kampala

$400 Question from H5 What were we showing when we played with tuning forks?

$400 Answer from H5 We were showing sounds waves because they behave like light waves. We were showing the Doppler Effect – the stretching of waves as they move farther away.

$500 Question from H5 Why did we use prisms?

$500 Answer from H5 To show that light is broken into many colors. Red light has a longer, more stretched-out wavelength. Galaxies that are moving away from us appear red. This shows that the universe is expanding, which supports the Big Bang theory.

Final Jeopardy Describe the life cycle of a supermassive star.

Final Jeopardy Answer 1.Gas and dust condense 2.Nuclear fusion begins 3.Runs out of fuel. 4.Gravity takes over, star collapses. 5.Bounces back out in a huge explosion – supernova. 6.Dense core left over – neutron star. 7.Sometimes it becomes a black hole.