Astronomy
Third planet from the sun, has one moon, and supports life with liquid water and an atmosphere.
Earth
What gas is taken in during photosynthesis?
Carbon dioxide
Which energy comes from vibrations?
Sound
Which tool measures temperature- A thermometer or a barometer?
Name the three states of matter
Solid, liquid, gas
This causes seasons
What organ controls the body?
The brain
What energy transformation happens in a flashlight?
Chemical to light (and some heat)
What process changes water vapor into liquid water?
Condensation
Does gas have a definite shape?
No. It has an indefinite shape and volume.
This causes day and night
Earth's rotation around the sun
When you change something in an experiment, that is the
variable
-independent variable (the thing you change)
-dependent variable
-control (the thing you don't change)
What material allows electricity to pass through easily?
Conductors, like metal
Condensation that turns into rain, sleet, snow, hail and falls to the earth.
Precipitation
Is melting butter a chemical change?
No. You are not making a new substance.
What is at the center of our solar system, around which all the planets revolve.
Why do scientists repeat tests?
To test the results and improve reliability
Why do dark-colored objects get hotter in sunlight?
They absorb more light energy
The amount of moisture in the air
Humidity
What happens to matter when it is heated?
It expands
What is in the center of our Milky Way galaxy?
A black hole
What is the difference between an observation and an inference?
Observations are noticed directly; inferences are conclusions and based on observations
Which type of energy is based on it's position or state of being?
Potential energy
Excess water (from rain or melting snow) that flows over the land surface instead of soaking in the ground right away.
Runoff water
Explain the difference between a mixture and a solution
A solution is evenly mixed; mixtures may be separated more easily.