Science: Our Solar System
Terms
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- Name the objects in our solar system.
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Objects in our solar system are ...
- stars,
- planets,
- moons,
- asteroids, and
- comets.
- How are the length of a year and the planet's distance from the sun related?
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The planet's year and distance from the sun are related as ...
a planet's year is shorter the closer its orbit is to the sun, because it travels around the sun more quickly. The distance of the orbit around the sun is shorter. - What is a sunspot?
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A sunspot is...
- a dark area that is cooler than the rest of the sun's surface and
- that does not give off as much heat. - Why is Earth's rotation important to our planet?
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Earth's rotation on it's axis causes day and night.
The side of the Earth that faces the sun has...
-day and
the opposite side has night. - What is a solar system?
- A solar system is a group of objects that move around a central star.
- What is a year?
- A year is the time taken to complete on complete orbit by a planet around the sun.
- What is are prominences?
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Prominences are ...
- red streams and loops of gases that shoot out from the sun's surface.
- These hot fountains often occur near a sunspot.
- Prominences and sunspots usually last a few days, however some have been known to last a few months. - What is an example of an orbit?
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An example of an orbit is..
a planet (an object) travels in a path around a sun (a second object). - What are two features of the sun's surface?
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Two features of the sun's surface are ...
- sunspots and
- prominences. - Where in our solar system are the planets with faster orbits?
- Planets with orbits closer to the sun move faster around the sun than those with orbits that are farther away.
- What are characteristics of our sun?
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Our sun is...
- the largest object in our solar system,
- a fiery ball more than 1 million kilometers (621,000 miles) in diameter,
- provides almost all of the energy in our solar system.
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Science : Our Solar System
Jonathan Sams
Pine View School
Fourth Grade
Ms. Noonan - .
- The sun provides what type form of energy to Earth?
- The sun provides energy in the form of light and heat to Earth.
- Are orbits around planets circles?
- No, orbits around planets are not circles. Orbits are slightly elliptical or oval in shape.
- What is an example of a large star in our solar system?
- Our sun is an example of a large star.
- What is an orbit?
- An orbit is the path an object takes when it revolves aroung another object.
- What is a star?
- A star is a burning sphere of gases.
- What happens when a comet's orbit takes it close to the sun?
- When a comet's orbit takes it close to the sun, some of the ice on the comet's surface changes to water vapor and streams out to form a long, glowing tail.
- What is a moon?
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A moon is a natural satellite or object that moves around a planet.
- What is the imaginary line that runs through both poles of a planet?
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The axis is the imaginary line that run through both poles of a planet.
As Earth revolves around the sun, it spins, or rotates, around a imaginary line. - What is a planet?
- A planet is a large object that moves around a star.
- What is our solar system made up of?
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Our solar system is made up of ...
- the sun,
- nine planets and their moons,
- asteroids and comets. - What are the names of the planets in our solar system from nearest to farthes?
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The planets in our solar system from nearest to farthest are ...
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. - What is an asteroid?
- An asteroid is a small rocky object that moves around the sun.
- The sun is the largest object in our solar system. What is the next largest object in our solalr system?
- Juptier is the next largest object in our solar system after the sun.
- What is a comet?
- A comet is a small mass of dust and ice that orbits the sun in a long, oval-shaped path.
- What do some scientists believe that asteroids are?
- Some scientists believe that asteroids are pieces of a planet that never formed.
- What percent mass is the sun of our solar system?
- The sun is 99.8% of our solar system.