Nature of Science
What is an observation?
Information gathered by the senses
How long is a rotation and revolution?
A rotation is 24 hours or 1 day.
A revolution is 365 1/2 days or 1 year.
When water returns to oceans, rivers, or runs into the ground, it is called:
Runoff
What is the difference between Weathering and Erosion?
When heat, water, wind, living things, and other natural forces cause rocks to break, this is called WEATHERING.
When water, wind, gravity, or organisms carry away broken rocks or sediments, they move because of EROSION.
Grains of loose sugar would
dissolve __________ (faster/slower) than
sugar cubes in water because of
__________ _______
Grains of loose sugar would dissolve FASTER than sugar cubes in water because of SURFACE AREA.
If something was held constant in an experiment, it is most likely to be which variable?
Controlled/Constant Variable
How are comets and asteroids different?
Asteroids are mainly found in the asteroid belt between Mars and Jupiter. Asteroids are made of rock and metal.
Comets are mostly ice and dust. They come from the outer regions of the solar system.
In the water cycle, Condensation occurs when water vapor rises, gets colds and forms what?
CLOUDS
1. This type of rock is formed when magma or lava is cooled.
2. This type of rock is formed when layers of sediment or organic material are cemented together over time.
1. Igneous
2. Sedimentary
What substance will not dissolve in water?
A.Oil
B.Soap
C.Sugar
D.Salt
A. Oil
What is the best example of something held constant?
A. types of cereals
B. identical bowls and pots
C. various wing designs
D. Different wing designs
B. identical bowls and pots
Which planets have a longer orbit, and why?
Outer planets because they are further away from the sun.
Places by the ocean will get ___________
(more/less) precipitation, since there
is __________ (more/less) evaporation.
Places by the ocean will get MORE precipitation, since there is MORE evaporation.
Which property is tested when a mineral is broken with a hammer to see the edges of the break?
Cleavage
The two objects shown are the same size. However, one object is made of wood, and the other object is made of plastic. Which of the following properties of the objects will be the same?
A. mass
B. texture
C. volume
D. weight
C. Volume
Which of the following is NOT a scientific investigation?
A. Performing a controlled experiment
B. Testing a hypothesis
C. Observing caterpillars change into butterflies
D. Writing a letter about the importance of animal protection
D. Writing a letter about the importance of animal protection
Which phase occurs when the Earth is between the moon and the sun?
Full Moon.
In what climate (or biome) would the average winter temperature be -34°C (-30° F), but the average summer temperature is 3-12°C (37-54°F) with little to no precipitation.
A. Temperate
B. Rainforest
C. Taiga
D. Tundra
What non-renewable resource can help make toothpaste, fertilizer, pills, and sports drinks, but is mainly used as fertilizer?
Phosphate
There is a box full of sand, rocks and shells. What is the best way to begin to separate them?
A.Dissolve the sand
B.Float the rocks
C.Use a magnet to gather the shells
D.Use a sieve to catch the larger substances
D.Use a sieve to catch the larger substances
A science class is performing an experiment on plants! They have four plants which start at the same height of 5 cm, all receiving the same amount of sunlight. They are testing the effects of water on plant growth, giving each plant a different amount of water throughout the week to see which plant grows the tallest. What is the independent variable in their experiment?
The amount of water each plant receives.
What causes the sun to look like it is moving across the sky?
Earth’s Rotation
What type of cloud would make hail?
A.Stratus clouds with a light breeze
B.Cirrus clouds with cold winds
C.Cumulonimbus clouds with updraft winds
D.Cumulus clouds with no wind
C. Cumulonimbus clouds with updraft winds.
List at least three renewable or non-renewable resources found in Florida.
Renewable: water, wind, solar energy
Non-renewable: phosphate, oil, limestone, silicon
Which of the following describes an example of a material undergoing a chemical change to become another material with different characteristics?
A.Iron turns to rust when it is exposed to oxygen.
B. When water boils, it turns into water vapor, which is a gas.
C.Oxygen, a gas, can become liquid at a very low temperature.
D.Gold can be spread out very thin to cover a large area
A.Iron turns to rust when it is exposed to oxygen.