What do Mercury, Venus, Earth, and Mars have in common?
What is they are all inner planets.
100
A student says that she saw a shooting star in the sky last night. What did she really see?
What is a meteor.
200
What is the best way to increase the reliability of the results of an investigation?
What is to repeat the investigation.
200
Which galaxy do we live in?
What is the Milky Way.
200
The orbit of the Earth around the sun is what shape?
What is elliptical.
200
How long does it take for the moon to revolve around the Earth?
What is about 29 days.
200
Why do craters last for millions of years on the surface of the moon?
What is the moon has no water or wind to erode the craters.
300
What is the role of a control group in a scientific experiment?
What is it receives no treatment and is compared to the test group.
300
What type of galaxy is the Milky Way?
What is a spiral galaxy.
300
What do Jupiter, Saturn, Uranus, and Neptune all have in common?
What is they are outer planets with gaseous surfaces.
300
Why can some groups of stars only be seen during certain seasons?
What is because Earth revolves around the sun and different parts of the sky become visable.
300
Name the planets in the correct order from the sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
400
Which is not a valid scientific observation?
A. The plant is 2 cm tall.
B. The leaves of the plant are green.
C. The flowers on the plant are beautiful.
D. The root of the plant grows downward.
What is the flowers on the plant are beautiful.
400
List the objects in space from smallest to largest?
What is a star, solar system, galaxy, universe.
400
Why is Mars called the red planet?
What is it's surface is covered with red, dusty soil.
400
The shapes of the lit side of the moon that can be seen are called what?
What is moon phases.
400
Which part of the comet exists both when the comet is close to the sun and when the comet is far away from the sun?
What is the nucleus.
500
Jean is in fifth grade. He predicts that all of the students in his fifth grade class will be 68 inches tall by the age of 21. Jean must support his prediction at the science fair. What is true about his prediction?
What is it cannot be tested.
500
A huge system of stars, dust, and gas held together by gravity is called what?
What is a galaxy.
500
What causes Mars and Saturn to have years of different lengths?
What is because their revolutions around the sun take different amounts of time. Mars is closer to the sun while Saturn is further away and has a larger orbit.
500
A moon, rock, or any object that orbits another object is called what?