This happens to salt when is is placed in water.
What is dissolves?
What is it called when all living and non-living things work together?
What is an ecosystem?
What happens when you join a north and south pole of a magnet?
What is they attract?
How does sound travel?
What is through waves?
These resources take millions of years to be replaced.
What are nonrenewable resources?
What environmental problems could affect the animals in habitats?
What are floods, forest fires, droughts, and deforestation?
Long stem, shape of leaves, roots that are fibrous
What are inherited traits?
How does water on the earth end up in the clouds?
What is evaporatation?
Name a renewable resource.
What is biomass (biofuel), geothermal, solar, hydroelectric, or wind energy?
What is the changing of rock over time caused by ice, wind, or water?
What is weathering?
First quarter, third quarter, new moon, full moon
What are moon phases?
penny
iron nail
paperclip
What are conductors?
FF=CON
What is fossil fuels are coal, oil (petroleum), and natural gas?
lemon juice and water
sugar and water
powdered drink mix and water
What are solutions?
A student repeats an investigation three times before reporting his findings.
What is to increase the reliability of results?
bouncing of light rays and bending of light rays
What is reflected light and refracted light?