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Vocabulary
True or False
Fill in the Blank
Vocab./true or false/fill in the blank
Vocabulary
100
The sun and the objects in orbit around it.
What is solar system? page 308
100
The sun is an average- sized star and the largest object in the solar system
What is true? page 299
100
Gravity is a _________ that acts over a distance.
What is force? page 319
100
an object that circles around an object
What is moon? page 310
100
The force of attraction between two masses.
What is gravity? page 318
200
A large piece of rock or metal in space.
What is an asteroid? page 312
200
Most of the energy that the sun produces is formed in its core
What is true? page 300
200
The two gases that make up the sun is hydrogen and _______________.
What is helium? page 300
200
Besides the sun, the objects in the solar system include the eight planets and their ___________.
What is moons? page 308
200
An object in space that circles around another object.
What is satellite? page 310
300
A piece of ice mixed with rocks, dust, and gases moving through space.
What is a comet? page 312
300
The solar system includes 1 dwarf planet
What is false? page 308
300
The corona is the ___________ layer of the sun's atmosphere.
What is outermost? page 300
300
A flattened circle
What is a ellipse? page 321
300
The smashing together of particles to create new particles?
What is fusion? page 302
400
A small piece of ice, rock, or metal that enters Earth's atmosphere
What is a meteor? page 312
400
All objects have mass and all objects are pulled away from one another by gravity
What is false? page 318
400
________________ take pictures of and collect data about objects in the solar system.
What is telescope? page 308
400
True or false??? The radiation layer is a layer of gases
What is false? page 300
400
The tendency of a moving object to keep moving in straight line.
What is inertia? page 320
500
The path an object takes as it travels around another object.
What is an orbit? page 316
500
About twice a month, the sun and moon line up and booth pull in the same direction.
What is true? page 322
500
When objects in space __________, the impact forms a crater, or a hole.
What is collide? page 311
500
True or False?? The sun produces its own energy, light, and heat
What is true? page 299
500
The rise and fall of an ocean's surface.
What is a tide? page 322