Most plants are classified as ______________
non-vascular
Sam did a test to see which brand of fertilizer would help his tomato plants grow faster. What would the independent variable be?
brand of fertilizer
A sound wave is called a ___________ wave.
Compression
An apple falling from a tree has what kind of energy?
Kinetic
What 3 metals do magnets attract?
iron, cobalt, and nickel
The substance that makes plants look green is called ________.
Chlorophyll
All the things that stay the same in an experiment are called?
constants
Movements called ___________ create sound.
vibrations
What energy transfer does a toaster experience?
electrical to thermal
The invisible area of attraction around a magnet is called it's ________ _________.
magnetic field
Ferns and mosses reproduce how?
Spores
Information gathered using our 5 senses are called?
observations
If a sound has high frequency, what kind of pitch would it have?
High
Another word for light energy is _______?
radiant
Two north ends of a magnet would respond how if they are pressed together?
Repel
The food making process of the plant is called ______.
Photosynthesis
An idea based on an observation is called an ?
inference
True or False? Sound can travel in a vacuum.
False
Stored up energy is called ________ energy.
potential
Where is a magnet's magnetic field the strongest?
poles
The seed making process of the plant is called ?
Pollination
How many independent variables should a good experiment have?
1
Which medium does sound travel the slowest in?
Gas
A force that slows down or resists movement is called ?
friction
An electromagnet is also called a _________ magnet.
temporary