WorksheetsEarth Science Unit Test #2 Review
Total questions: 20
Worksheet time: 10mins
In what season will the Northern Hemisphere experience more outstretched shadows during the entire day?
SPRING
SUMMER
FALL
WINTER
What do scientists use because they cannot physically travel to a star to take its exact measurements?
Apparent Brightness
Absolute Brightness
Absolute Calculations
Apparent Calculations
What force is most responsible for Earth’s orbit around the sun?
Magnetic Force
Gravitational Force (Gravity)
Electric Force (Electricity)
Friction
Two friends are looking at stars through a telescope on a night with no moon. One friend points to a star and says that it is closer to Earth than all the other stars. Which statement best supports the friends claim about the closeness of the star?
The star is a different color than any other star.
The star appears bright than any other star.
That star appears smaller than any other star.
The star appears to be twinkling more so than any other star.
To ________ is to create a curved path, especially making an elliptical revolution.
Float
Sail
Orbit
Pace
What time of day will the sun be directly overhead?
9:00am
12:00pm
9:00pm
12:00am
A star is ______ when it is cooler.
RED
BLUE
YELLOW
WHITE
The ________ ________ is a sign that spring is coming.
Winter Solstice
Summer Solstice
Vernal Equinox
Autumnal Equinox
This is the change of speed of an object, more specifically when it speeds up.
Deceleration
Acceleration
Momentum
Gravitational Force
Students of a class built personal sundials. The sundial casts a shadow over a flat surface. One student decided to use theirs at home to record the direction and length of the shadow hourly, starting at 6 a.m.? The table above shows the data collected by the student. Which statement best describes what the student will find at 11 a.m.?
The shadow will be shorter at 11 a.m. than it was at 10 a.m., and its direction will be North.
The shadow will be shorter at 11 a.m. than it was at 10 a.m., and its direction will be East.
The shadow will be longer at 11 a.m. than it was at 10 a.m., and its direction will be North.
The shadow will be longer at 11 a.m. than it was at 10 a.m., and its direction will be Southeast.
Shadows also show different _____________ throughout the seasons.
Locations
Patterns
Light
Parchment
This is a group of stars clustered together in a certain pattern or shape?
Sun
Asteroid
Constellation
Meteoroid
Which object below does NOT exert gravity?
Sun
Earth
Moon
All objects exert gravity
How long does it take Earth to make one complete rotation around its axis?
1 hour
24 hours
24 hours and 50 minutes
29 ½ days
How does the rate of Earth’s revolution around the sun compare year after year?
Earth’s orbital speed is progressively slowing down year after year
Earth’s orbital speed is progressively speeding up year after year
Earth’s orbital speed varies year to year
Earth’s orbital speed slightly varies, but it always has and always will take Earth the same amount of time to orbit the sun
What are shadows like during a sunrise?
Shadows are long and point west
Shadows are short and point west
Shadows are short and point directly south.
How do stars appear to move at night?
The move southward
They move towards Polaris (the North Star)
They rotate around Polaris
Stars do not appear to move at night
At which location is Polaris NOT visible?
The North Pole
The South Pole
At a mid-latitude location in the Northern hemisphere
At the equator
What two gases make up the Sun?
oxygen and helium
hydrogen and nitrogen
helium and nitrogen
hydrogen and helium
How many time zones exist altogether?
9
15
24
48
