Muddy water that is being carried away by a fast-moving river is_____________________________.
What is erosion?
Physical or Chemical Change?
melting butter for popcorn
What is a physical change?
A type of magnet in which the magnetic field is created by electric current and can be turned on and off
What is an electromagnet?
Means “living thing”.
What is organism?
What are the standards that help engineers
determine how well a design is doing its
job?
data, criteria, models, or prototypes
What is criteria?
Layers of sediment forming at the bottom of the ocean is ___________________________________.
What is deposition?
Which of the following is evidence of a chemical change?
a. a change in color
b. a change in temperature without adding or removing heat
c. a gas or odor is released
d. all of the above
What is d, all of the above?
True or false?
The poles of an electromagnet can even be reversed by reversing the flow of electricity.
What is true?
Which one is not a true living organism?
Fungus spores, bacteria, viruses, or plankton
What are viruses?
Cell phones, washing machines, and door
knobs are examples of which human
accomplishment?
scientific observation, mathematics, technology, or university scholarship
What is technology?
The desert is a very windy place. When wind blows sand from one location to another, __________________________________ is happening.
What is erosion?
Students in a class made a list of activities that involve a chemical change. Which of these changes should be included on the list?
a. ringing a bell
b. making ice cubes
c. picking up rocks
d. making pancakes
What is d, making pancakes?
The push or pull caused by magnetism
What is magnetic force?
Chloroplasts appear green in color due to the ____________ inside.
What is chlorophyll?
What does an engineering team need in
order to test a new design?
problem, data, patent, or prototype
What is a prototype?
Peter takes a piece of sandpaper and rubs it against a sharp rock. After a few minutes, the sharp edges become smooth and rounded. This is an example of_____________________________________.
What is weathering?
The amount of space an object takes up
What is volume?
A circuit with only one path for electric charges to flow
What is a series circuit?
animals that reproduce by laying eggs
What are oviparous?
A student team is assigned to construct an
object. They start by listing the steps they
will follow. In the design process shown
below, which is the missing element?
Find a Problem
Plan and Build
?????
Redesign
Communicate
What is test and improve?
Georgia has many slow-moving rivers that drop off sediments. As the rivers drop off sediments, salt marshes and swamps are created. The creation of salt marshes and swamps are clear evidence that _______________________________ has taken place.
What is deposition?
Physical or chemical change?
a tomato rotting
What is a chemical change?
The quick jump of electrons from one object to another
What is static electricity?
A complete change an organism goes through as it grows
What is metamorphosis?
Time, cost, and materials are examples of what?
What are constraints?