A well-tested scientific explanation supported by evidence
A scientific explanation that has not yet been fully tested
The distance from one peak to the next on a wave
a reusable spacecraft that carries astronauts
The first satellite launched into space
What country launched the first satellite?
The Sun only seems to move across the sky because Earth is ________________.
It takes about ___________ for the Earth to make one rotation.
Due to its rotation, Earth is slightly flattened at the poles and bulges at the _____________.
Standard Time Zone
A belt, 15 degrees wide in longitude, in which all places have the same time is _____________________.
The International Date Line was created as the location where a new _____________begins.
The Sun is the ____________ source for life on Earth.
Sometimes, at Full Moon, the Moon passes through Earth's shadow causing a ______________________.
Sometimes Earth passes through the Moon's shadow, causing a _________________________.
The shape of the lighted part of the Moon that we see is the ______________ of the moon
Every 365.25 days, Earth makes on complete __________________.
Earth and Moon
Tides are caused by the pull between _________________________________.
the bending of waves as they go from one substance to another is _____________________.
A telescope is a device that collects ________________.
What type of telescope uses mirrors to bounce light off of an object?
The Sun rises in the East and sets in the __________.
The Sun reaches it's _______________ point at midday.
Satellites and Space Probes
Do not carry crew members
The regular rise and fall of the water level along the shore
In the winter, the Sun's rays are slanted at ___________ angles.
The branch of science that deals with the study of the universe
A device that collects light and makes distant objects appear closer
developed the first telescope
Waning Gibbous Moon Phase
Waxing Crescent Moon Phase
Waning Crescent Moon Phase
Waxing Gibbous Moon Phase
Third Quarter Moon Phase
Which state will celebrate the New Year first; New York or Washington?
The degrees in which the Earth rotates every 24 hours
Waves of light in order of their wavelengths and frequencies
The bouncing of waves off of a surface
The number of waves that pass through any point in a second
Our Solar System
Mercury, Venus, Earth, Mars, Asteroid Belt, Jupiter, Saturn, Uranus, Neptune, Pluto, Keiper Belt, Oort Cloud