Matter in the Solar System
A collection of planets that orbit a star
Solar System
Closest planet to the Sun
Mercury
Farthest planet from the Sun
Neptune
What is gravity?
The force that causes two masses to attract to each other
Katiana wanted to figure out what type of liquid worked best for growing beans. She watered one with coca-cola, one with lemonade, and one with just water. After one week, she measured how high they had grown.
What is the independent variable?
Type of liquid
Too small to be a planet but still orbit a star
Dwarf Planet
Hottest planet in the solar system
Venus
Largest planet in the solar system
Jupiter
True or False: Gravity is everywhere in the universe.
True
Taylor wanted to see if eating apples would help her do better on her classwork. The first day, she didn’t eat any apples. On day 2, she ate one apple. On day 3, she ate 2 apples and on day 4, she ate 3 apples. Each day, she recorded the grades she got on her science work.
What is the dependent variable?
Grades
Giant ball of hydrogen gas that is the center of our solar system
The Sun
The inner planets are also called
Terrestrial Planets
The outer planets are also called
Gas Giants
What does gravity depend on?
1. Mass of the objects
2. Distance between the objects
Alex wanted to find out what toothpaste made teeth the cleanest. Everyday she brushed her teeth with a different product and then took a plaque test to see how much plaque was left. She used Crest, Colgate, and water.
What is the independent variable?
Type/brand of toothpaste
Large, rocky objects of different shapes and sizes that orbit the sun
Asteroids
List the four inner planets (in order from the Sun)
Mercury, Venus, Earth, Mars
List the four outer planets (in order from the Sun)
Jupiter, Saturn, Uranus, Neptune
The larger the mass, the _________ the force of gravity it exerts.
greater
Katie wanted to find out what shampoo made her hair the shiniest. Everyday she washed her hair with different shampoos and then rated how shiny her hair was, on a scale from 1-10. She used Pantene, Herbal Essences, L’Oreal, and just water.
What is the dependent variable?
Type/brand of shampoo
Fairly small objects that burn up or enter Earth's atmosphere (also called shooting stars)
Meteors
What are the inner planets made of?
Rock
What are the outer planets made of?
Gas
What 2 things keep the Earth in orbit around the Sun and the moon in orbit around the Earth?
inertia and gravity
Fredrick wanted to find out what soil works best for growing roses. He grew them in potting soil, clay, sand, and soil he found outside his yard. After one week, he measured their height and how many leaves they had.
What is the independent and dependent variables?
Independent: type of soil
Dependent: Height and number of leaves