Space
When Miranda pushes her school's recycling bin, the force she uses isn't enough to make the bin move. What is acting on the bin to keep Miranda from moving it?
Gravity
Rivers that have developed over a long period of time are found in wide valleys with flat, low-lying bottoms. These valleys were created by the removal of rock and soil through the process of what?
Erosion
What is the function of the nucleus?
To hold the cell's DNA
Neon is a gas made up of only one type of atom. Which term best describes neon?
An element
Jennifer stands on one side of a filing cabinet and pushes with a force of 60 N. If Nathan wants to help Jennifer demonstrate balanced forces, what does he need to do?
stand on the opposite side of the cabinet and push with a force of 60 N toward Jennifer
Which correctly describes the impact of a lunar eclipse?
Earth casts a shadow on the moon
Airplanes reach cruising altitudes at the lower part of the Earth's stratosphere. This portion of the atmosphere is made up of which two gases mostly?
Nitrogen & Oxygen
Where does energy first come into an ecosystem?
ANSWER IN JEOPARDY FORM!
These are the vertical columns on the periodic table
What are families?
Bryan and Alyssa are playing tug-of-war against Daniel and Maria. Bryan and Alyssa are exerting a combined force of 10 N. Daniel and Maria are exerting 12 N of force.
What force and direction will be the result?
Unbalanced force moving everyone in Daniel and Maria's direction.
What is the largest object in the Solar System?
The Sun
What does Earth's biosphere consist of?
The part of earth and its atmosphere that all living organisms exist of that is capable of supporting life
Name two body systems that work together to deliver nutrients to every cell of the body
circulatory and digestive systems
Families on the periodic table have...
similar properties
With a force of 5 newtons, Amanda pushes the stack of books to the right. At the same time, Jeremy, her little brother, pushes the stack of books to the left with a force of 10 newtons.
What is the direction and magnitude of the resulting force?
5 N to the left
Seasonal changes occur when the Earth moves so that the Northern Hemisphere and the Southern Hemisphere are tilted more toward or away from the Sun. If the Northern Hemisphere is tilted toward the Sun and it is summer, what is happening in the Southern Hemisphere?
The Southern Hemisphere is tilted away from the Sun, and it is winter
Humans are organisms that live on the surface of the Earth.
In recent years, many products that people use have released chemicals into the air. This has slightly changed the composition of the air that surrounds the planet.
What two spheres are interacting here?
The biosphere interacted with the atmosphere.
Two plants, both heterozygous for the gene that controls flower color are crossed. What percentage of their offspring will have purple flowers?
75%
Kylie has two glasses with equal volumes of pure water. She adds 40 g of sugar to one of the glasses of water and 40 g of salt to the other. When sugar is dissolved in water, it does not change the number of ions present. When salt is dissolved in water, however, the number of ions significantly increases.
What will happen to the electrical conductivity of Kylie's two solutions?
The solution of salt water will have a higher conductivity than the solution of sugar water.
Jodie sets two objects on a flat surface. Object A has a mass of 50g, while object B has a mass of 250g. Jodie pushes both objects with the same force and watches them speed up. Which object will speed up more?
Object A speeds up more
The surface of Mercury has many more craters than the surface of Earth has. Why does Mercury have many more craters than Earth has?
Mercury has a thinner atmosphere than Earth has
If carbon dioxide, methane, and water vapor were not in the atmosphere, then what would happen to Earth's surface?
It would be much colder
When do genetic changes occur in a population of organisms?
When the organisms interact with another species
Describe a chemical property of a metal?
It reacts with acid
Three dogs—Ed, Max, and Marcie—are pulling a dogsled along a patch of ice. Ed pulls with a force of 115 N; Max pulls with a force of 62 N; and Marcie pulls with a force of 90 N.
If there are no forces pulling the sled backward, what is the net force acting on the sled?
267 N forward