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Worksheets3rd Grade Earth Science Review
Total questions: 18
Worksheet time: 18mins
Which statement about stars other than the Sun is correct?
Stars are all nearly the same size.
Stars are so far away they look tiny.
Stars are much smaller than Earth.
Stars are all about the same brightness.
Which of the following does NOT describe the Sun?
The Sun is a yellow star.
The Sun is the hottest type of star.
The Sun is made of hot glowing gases.
The Sun is the closest star to Earth.
During the daytime, a desert can be very hot. At night, the temperature is much cooler.
What causes the differences in day and night temperatures in a desert?
During the day, the Sun heats the desert, and that heat is lost during the night after the Sun has set.
The wind takes heat energy that the desert stores during the daytime.
Heat energy is absorbed by the desert sand at night.
The Sun gives off less heat energy during the day than it does during the night.
Terrence is making a poster about energy for a school project. He is placing pictures of objects found in space on his poster. Under each picture, he is writing where the object's energy comes from. Which sentence should he write under a picture of the Sun?
Sun’s energy comes from the Moon.
Sun’s energy comes from Earth.
Sun’s energy comes from nearby stars.
Sun’s energy comes from within itself.
The Sun provides what two important types of energy?
(a)
True or False:
The Sun is the closest star to Earth. All of the other stars are so far away that they look like tiny points of light.
True
False
A skydiver jumps out of a plane. He falls downward at a very fast speed. When he opens his parachute, he slows down. He falls at a safer speed until he lands. What force pulled the skydiver to the ground?
air pushing
air resistance
gravity
parachute pulling
Imagine that there was suddenly no gravity on Earth. What would most likely happen to a picture hanging on a nail on the wall?
You would see the picture float off the nail.
You would not be able to get the picture off the nail.
You would see the picture fall to the floor.
You would see the picture shoot upward.
Two scientists are studying how gravity affects objects in different cities. One scientist finds that a baseball drops to the ground in 5 seconds. The other scientist finds the same thing in her city. Why is it important for these scientists to share their findings?
to help them change their data to match
to learn from each other
to stop worrying about gravity’s affects and go on to a new experiment
to give them a reason to visit another city
True or false:
Gravity is a type of force.
True
False
A student wants to know what kind of fertilizer causes rose bushes to have the most flowers. What observations could this student make to answer this question?
count the number of flowers on several rose bushes
measure how tall the rose bush is
feel the stems of the rose bush to see if there are any thorns
count how many bees visit flowers on a rose bush
Ray wanted to count how many different insects were living beneath a log. Ray lifted the log. Which
would be the most helpful for Ray to record the number of insects he found?
draw a picture
take a photograph
make a model
fill in a data table
John investigated the boiling point of water when different amounts of salt are added. Which evidence
that John collected is an observation, NOT a measurement?
amount of water used
if there were of bubbles in water
amount of salt added
temperature at which water boiled
Toby measures and records the temperature of sand in a cup. Then he places the cup out in the hot sun for an hour and measures the temperature again. He compares the before and after temperatures. Which statement should he choose?
The temperature could not be measured.
The temperature of the sand stayed the same.
The temperature of the sand increased.
The temperature of the sand decreased.
Savannah is wearing jeans and a T-shirt on a warm and sunny spring day. After the Sun sets, the temperature changes. How would Savannah most likely change the way she is dressed to feel comfortable outside after the Sun sets?
put on a sweatshirt
put on a pair of shorts
put on a raincoat and boots
put on a swimsuit
Where is the best place for soil to form?
a place with no weathering of rocks and many decaying plants and animals
a place with weathering of rocks and no decaying plants or animals
a place with weathering of rocks and many decaying plants and animals
Which of these is NOT a physical property used to identify a mineral?
luster
color
weight
hardness
A student has two different minerals that are similar in color. Which property might help the student distinguish between the two minerals?
Mass
Volume
Streak
Color
