Gabriel pushed a table with a force of 20 newtons (N) and Ricardo pulled the table with a force of 25 newtons (N). What is the net force acting on the table?
45 N
What is the organization of structures found in the human body?
cells, tissues, organ, organ system, organism
What is the result of the interaction between water movement in the hydrosphere and the atmosphere?
Weather patterns
What is the independent variable in a scientific experiment?
The variable that changes
Do molecules move faster in a hot substance or a cold substance?
hot substance
Forces act on objects that are either in direct contact or at a distance. Which forces act to keep a book on top of a table?
gravitational and applied forces
What are a piece of leaf and root from the same plant made of ?
cells
When a volcanic eruption spews gases and ash into the air, which two spheres are interacting?
Geosphere and atmosphere
In what way is a scientific law different from a scientific theory?
A law explains the relationship between two or more variables, a theory explains how something happens.
What is the difference between a scientific theory and other theories ?
scientific theory is supported by evidence and widely accepted.
Which type of wave has the lowest frequency and longest wavelength?
Radio
Which human body systems function together to distribute oxygen for use in cellular processes throughout the body?
What type of process describes warm atmospheric air rising and transferring energy to cooler atmospheric air that is sinking?
Convection
What is the difference between replication and repetition?
replication is someone else doing your experiment and repetition is you doing your experiment over and over.
How does the human body responds in a cold environment?
The nervous system signals the muscles of the to contract and warm the body
The many colors of the electromagnetic spectrum make up what type of light?
White light
An amoeba, an oak tree, a squirrel, and mildew are all classified in the same
Domain
What factor does NOT affect an area's climate?
Temperature
What is the importance of replication in an experiment?
To verify your results
What system in the body does the brain belong to?
Central Nervous system
What is the difference between kinetci and potentioal energy?
kinetic is movement
potential is at rest
What is the correct order for biological classification of an organism. Hint: dumb kids
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
On what basis are rocks classified in to three main groups?
How they are formed
In models, what are some limitations of a drawing but not a clay model of a cell?
a drawing cannot represent a living cell since cells are three dimensional
Which type of cells carry genetic information from parents to their children?
reproductive