Unit 2
What is everything made up of?
Matter
What is energy flow?
The movement of energy from one being to another
Which sphere includes all living organisms on Earth?
Biosphere
True or False
The Earth is larger than the Sun.
False
Where is freshwater found?
Rivers, underground, and glaciers
Matter is anything that has mass and takes up _________ .
Space
Where does all energy originate from?
Sun
The interaction between the atmosphere and the hydrosphere results in which of the following phenomena?
Rainfall
What is the solar system held together by?
Gravity
What percentage of Earth's water is saltwater?
97%
What does a physical change result in?
No new substance
Which type of animal eats plants?
Herbivore
Which of the following represents the geosphere?
Mountains, rocks, and soil
Which of the following statements best explains why light from the Sun takes only minutes to reach the Earth when it takes years for other stars' light to reach the Earth?
The Sun is much closer to Earth than other stars
Which of the following is the largest reservoir of saltwater on Earth?
Oceans
What does a chemical change result in?
A new substance
Herbivores are eaten by ____________ .
Carnivores
How does the hydrosphere interact with the geosphere?
Rainfall shapes mountains over time
Which factor is most important when describing why the Sun appears to be the brightest star in the sky?
Distance
Which reservoir is responsible for supplying water to rivers and lakes through precipitation?
Atmosphere
Which of the following is an indicator of a chemical change that we can see?
Color
Indicate whether the type of animal is a predator or prey in a predator-prey relationship.
Herbivore
Prey
What is an example of the biosphere depending on the geosphere?
Plants taking root in rocky soil
The Sun provides energy to Earth because it is the __________ .
Closest
Bailee threw a ball up in the air. It paused at the top before falling back down for her to catch. Which force is responsible for this?
Gravity
ou observe that a substance changes color, produces bubbles, and gives off a new smell when heated. Which type of change is most likely occurring?
A chemical change
Indicate whether the type of animal is a predator or prey in a predator-prey relationship.
Carnivore
Predator
How does the geosphere influence the biosphere?
The geosphere creates caves, and other landforms, which provide animal habitats.
Nora can watch the Sun and notice as day becomes night. Which movement of Earth in the solar system causes this change?
Earth rotating on its axis once
Choose the word that best completes the sentence.
Gravity pulls objects towards the ___________ of the Earth.
Center
Water evaporating is a physical change. You can adjust the temperature of the water to speed up or slow down this change. How would you adjust the temperature if you wanted the water to evaporate faster?
Raise the temperature
All interlocking food chains in a community.
Food web
What is the water cycle?
The movement of water between the Earth's surface and the air
The Earth completes one rotation every 24 hours. This is best demonstrated by which natural phenomena?
The Sun appearing on the horizon every morning
True or False
Sir Isaac Newton had an "aha!" moment after an apple landed on his head which prompted him to come up with the law of gravity.
True
Which of the following can be done to wood to cause a chemical change to occur?
Burn it
A series of living things in which each uses the one below it as a food source.
Food chain
True or False: There is more saltwater on Earth than freshwater.
True
In which phase of the moon is it a complete circle?
Full Moon
True or False:
You should take your time on your test
True