Matter and Interactions
When you mix salt and water, you create this type of mixture where one substance dissolves into another.
Solution
This force pulls objects toward Earth and keeps them from floating away.
Gravity
This layer of Earth is mostly water and covers 71% of the planets surface.
Hydrosphere
What type of resource are trees, water, and the Sun?
renewable
What is the passing of traits from parents to their children?
Heredity
This scientific principal states that matter cannot be created or destroyed, only changed into different forms.
Conservation of mass or matter
When you push a toy car across the floor, it eventually stops because of this force.
Friction
Where is most of Earth's fresh water located?
Ice caps/glaciers and groundwater
Coal, oil, and natural gas are examples of what type of resource?
Nonrenewable
What is the highest point of a wave?
Crest
When you burn wood, this type of change occurs because a new substance has formed.
Chemical Change
A heavy and light object are dropped from the same height. How do they hit the ground?
Same time
What part of the water cycle causes water to change from a liquid to a gas?
Evaporation
What is deforestation?
The cutting down of forests without replanting.
What is the series of changes that all living things go through--birth, growth, reproduction, and death called?
Life cycle
Ice melting into water is an example of this type of physical change.
Change of state
The longer the ramp, the faster an object slides down because of this force.
Gravity
What part of the water cycle causes water vapor to change back into liquid water?
Condensation
Name one way humans can reduce waste.
Recycle, using less water, and conserving energy
What is the distance between two crests or two troughs called?
Wavelength
All matter is made up of tiny things that are always moving,. even when we cannot see them
Particles/Atoms
A push or a pull.
Force
Name the parts of the water cycle in order.
Evaporation, Condensation, Precipitation, Run-off
In Hawaii, this renewable energy source is abundant and harnesses power from the Sun.
Solar energy
What type of wave is a sound wave?
Longitudinal