What Does it Mean?!?
The force that pulls things towards the center of Earth
Gravity
What are 3 most common types of matter?
Solid, Liquid, and Gas
Magnets have a negative and positive pole. What happens if you try to touch the positive ends of two magnets together?
They repel each other
This tool measures temperature
Thermometer
Anthony ripped up a piece of paper. What kind of change in matter is this?
A physical change
The process of a liquid turning into a gas
Evaporation
This type of change forms a new substance
A chemical change
Double or nothing: give an example of a chemical change
True or false: If an object is at rest it will stay at rest until a force acts on it.
True
Double or nothing: Name a synonym for "at rest"
This tool measures speed
Anemometer
Kamoria was looking at a map of average temperature, precipitation, and humidity over the course of a year. Was she looking at a weather or climate map?
A climate map
Define a force
A push or pull on an object
Double or nothing: give an example of a force
What state of matter has a definite shape and takes up a definite amount of space.
A solid
Double or nothing: Describe what the molecules of a liquid and gas look like.
How does mass affect the amount of force needed to move an object?
The greater the mass the greater the force needed
Double or nothing: What is the difference between mass and weight.
What does a climate map tell you?
Tells the average weather patterns over a long period of time
Double or Nothing: What does a weather map tell you?
Jaida walked to the salon 10 minutes away. The salon is 1610 meters away. What was her average speed for the trip?
161 m/minute
An opposing force that stops or decreases the motion of an object
Friction
This prevents heat or sound from passing through an object
An insulator
Double or nothing: what is the opposite of a insulator and give a example.
Mr. Johnson and Mr. Velazquez's classes are playing tug of war. After several minutes, the students notice that the rope has not moved. What is one possible cause of this?
They have created a balanced force.
What does a barometer do?
Measures air pressure
Double or nothing: what does the weather look like when we have high vs low pressure?
Dulce and Lydia are moving a dresser. They are arguing about which direction to move it. Dulce is pushing the dresser with a force of 5 newtons towards Lydia. Lydia is pushing the dresser towards Dulce with a force of 10 newtons. What happens to the dresser?
Lydia is using more force, so the dresser will move towards Dulce
Define Transpiration
Loss of a plants water to its environment through evaporation
Double or nothing: What is this process a part of?
What happens to molecules when they are heated?
They expand
What best explains why a bicycle slows down when its brakes are applied?
The breaks cause a frictional force on the wheels of the bicycle.
What effect does the Gulf Stream have on the Eastern US?
It carries warm water up the coast of the US leaving southeastern coasts warmer in winter and cooler in summer
Durham has been in the 70s for a couple of days. The temperature then drops down to the 50s. What type of front did they experience?
A cold front
Double or nothing: does cold air rise or fall?