Immediately get the teacher so that she can clean it up.
100
Name 3 controlled variables that would need to be in this experiment:
You set up 2 plants to see if Gatorade makes a difference with plant height.
same plant, same soil, same sunlight, same room, same temperature, etc.
100
How long is the Moon's revolution?
About 29 days
*Don't forget that you still need to know the phases of the moon for the exam
100
How many rock planets are there?
How many gas giants are there?
4 and 4
100
What stage of a star's life lasts the longest?
Main Sequence
200
Observation or Inference:
You are wearing red shoes.
Observation (qualitative)
200
Name the dependent variable:
You give two plants Gatorade to see the effect on height.
Plant height
200
Draw the Sun, Earth, and Moon in the positions of the lunar eclipse.
Sun --- Earth --- Moon
So the Earth is blocking the Suns light on the Moon
200
What two forces are keeping the planets in orbit around the Sun?
Gravity and the planets' forward motion.
200
The very first stage of a star's life is a cloud of dust and gas called a _____________, which come from the supernova explosions from large stars.
Nebula
300
Observation or Inference:
Your sister is sad because you see tears on her face.
Inference
300
Name the independent variable:
You experiment with changing the amount of sleep that you get to see if there is a difference with your test scores.
Amount of sleep
300
What do you call the strongest high tides? And what do you call the weakest high tide?
Spring Tide
Neap Tide
300
How long is Earth's revolution around the Sun?
365.25 days (about one year)
300
How are color and temperature related when it come to stars?
Red=Cool
Yellow=Medium Cool
White=Medium Hot
Blue=Hot
400
True or False:
Always read the directions before an experiment.
True
400
How many controlled variables do you need in each experiment?
It depends on the experiment! You could have as little as 3 or 4, or up to a hundred!
400
What causes day and night?
Earth's rotation. During the day, our part of the Earth is facing the Sun, and during the night our part of the Earth is facing away from the Sun.
400
Write a possible definition for the word "planet"
A celestial object revolving around a star.
400
What is the difference between a protostar and a star?
Protostars have enough mass to become a star, but nuclear fusion has not begun. A star has nuclear fusion happening in its core.
500
List the observation and the inference in the following statement:
You walk outside and see that there are clouds in the sky, so you grab your umbrella since it will rain.
Observation: there are clouds
Inference: It will rain soon
500
What is the experimental group:
You want to see the difference that eating chocolate for breakfast will make on your test grades.
When you eat chocolate for breakfast.
500
Draw the Earth and Sun to show Summer in the Northern hemisphere.
The top half of the Earth should be tilted towards the Sun.
500
Are there other planets in the universe, besides our 8 planets?
Yes! Many stars have objects revolving around them that would count as planets!
500
Explain which stars live the longest, and what determines the length of a star's life? Why?
Small stars, because they use up their fuel the slowest, so mass determines the length of a star's life.