Download Chapter 15/16 Study guide

Chapter 15/16 Study guide
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A nebula is held together by the balance of ______________________________.
Planets began to form as ____________________________________.
What bodies in the solar system collided and combined to form earth?___________________
What factors caused the shape and structure of the Earth?
Early life-forms released Oxygen into Earth’s atmosphere through the process of ____________________.
Scientists think that the Earth’s first atmosphere was made up of ____________________.
Each planet moves around the sun in ______________________________.
The closer a planet is to the sun, ______________________________________.
The gravitational attraction between two objects increases if ________________________.
The gravitational attraction between two objects decreases if _______________________________.
What is an object’s resistance in speed or direction? ________________________
What caused the solar system to form? _____________________________________
What two factors affect the gravitational attraction between two objects? ____________________________
Kepler discovered that planets move faster when they _______________________.
What planet has the shortest period of revolution? _____________
Which gas in Earth’s atmosphere suggests that there is life on Earth? ________________
Two poles, magnetic forces, and magnetic fields are magnets’ ____________________.
Name two kinds of magnets. ________________________________________
What are the effects of Earth’s magnetic field? _____________________________________________
What does electric current produce? __________________________________
What strengthens a magnetic field made by a current-carrying wire? __________________________________________
Electric current is made when a magnetic field ______________________________.
Electric current that changes direction is called __________________________.
Whether a material is magnetic or not depends on __________________________.
As electrons move, they make ________________________.
A compass needle responds to a magnetic field, because the compass needle is a ___________________.
What is created when a magnet moves through a coil of wire? _______________________
What can demagnetize a magnet? ____________________________
A coil of wire with an electric current in it is called a(n) _______________________.
A coil of wire that has a soft iron core and that acts as a magnet when an elctric current is in the coil is called an
_____________________.
Increasing the number of loops per meter in the coils of a solenoid is one way to ___________________________.
What can you make visible by sprinkling iron fillings around a magnet?
In the region around a magnet in which magnetic forces act exists the ____________________.
What do you end up with if you cut a magnet in half?
An electric fan has an electric motor inside to change _________________________________________.
What gases make up the Earth’s atmosphere (list largest percentage to smallest)?
Define
Nebula
Solar nebula
Temperature
Pressure
Gravity
Planetismals
Rotation
Orbit
Revolution
Period of revolution
Electromagnetism
Solenoid
Electromagnet
Electric motor
Chapter 15/16 Study guide
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
A nebula is held together by the balance of ______________________________.
Planets began to form as ____________________________________.
What bodies in the solar system collided and combined to form earth?___________________
What factors caused the shape and structure of the Earth?
Early life-forms released Oxygen into Earth’s atmosphere through the process of ____________________.
Scientists think that the Earth’s first atmosphere was made up of ____________________.
Each planet moves around the sun in ______________________________.
The closer a planet is to the sun, ______________________________________.
The gravitational attraction between two objects increases if ________________________.
The gravitational attraction between two objects decreases if _______________________________.
What is an object’s resistance in speed or direction? ________________________
What caused the solar system to form? _____________________________________
What two factors affect the gravitational attraction between two objects? ____________________________
Kepler discovered that planets move faster when they _______________________.
What planet has the shortest period of revolution? _____________
Which gas in Earth’s atmosphere suggests that there is life on Earth? ________________
Two poles, magnetic forces, and magnetic fields are magnets’ ____________________.
Name two kinds of magnets. ________________________________________
What are the effects of Earth’s magnetic field? _____________________________________________
What does electric current produce? __________________________________
What strengthens a magnetic field made by a current-carrying wire? __________________________________________
Electric current is made when a magnetic field ______________________________.
Electric current that changes direction is called __________________________.
Whether a material is magnetic or not depends on __________________________.
As electrons move, they make ________________________.
A compass needle responds to a magnetic field, because the compass needle is a ___________________.
What is created when a magnet moves through a coil of wire? _______________________
What can demagnetize a magnet? ____________________________
A coil of wire with an electric current in it is called a(n) _______________________.
A coil of wire that has a soft iron core and that acts as a magnet when an elctric current is in the coil is called an
_____________________.
Increasing the number of loops per meter in the coils of a solenoid is one way to ___________________________.
What can you make visible by sprinkling iron fillings around a magnet?
In the region around a magnet in which magnetic forces act exists the ____________________.
What do you end up with if you cut a magnet in half?
An electric fan has an electric motor inside to change _________________________________________.
What gases make up the Earth’s atmosphere (list largest percentage to smallest)?
Define
Nebula
Solar nebula
Temperature
Pressure
Gravity
Planetismals
Rotation
Orbit
Revolution
Period of revolution
Electromagnetism
Solenoid
Electromagnet
Electric motor