A class is conducting an experiment on how different types of soil can affect the growth of a plant. What are the main factors the class should consider when designing the experiment?
The soil texture and the amount of water it can hold.
100
How does 250 mL of water compare to 500 mL of water?
They have the same density but different volumes.
100
What causes the movement of tectonic plates?
convection occuring beneath the Earth's crust
100
What is the relationship between the speed of sound and the medium through which it passes?
Sound travels slower in air because of the increased distance between air particles.
100
When would the atoms in an object begin to move closer together during a phase change?
Heat is removed as a gas turns into a liquid.
200
During the day, the sand at the beach is very warm; while at night, it is cooler. Why does this occur?
The sand absorbs the sun's energy during the day, causing it to become warmer.
200
How does the anther help with reproduction of a flowering plant?
It produces and stores pollen.
200
What describes Earth's crust?
It is composed of continental and oceanic plates.
200
What is true about two pure iron magnets?
The contain the same types of atoms and elements.
200
Which environment would produce soil at a faster rate?
An environment located n a warm, wet regions.
300
How are earthquakes, sound, and light waves alike?
They transmit energy
300
Josephine adds thicker strings to her guitar. What does that do?
It changes the vibrations made by the guitar.
300
What information is gained as a result of space exploration
Weather and climate patterns that occur on Earth.
300
What occurs when two continental plates are pushed into one another?
The plates will form a mountain
300
Which factor makes Earth different from all the other planets in the solar system in its ability to support life?
The Earth has a breathable atmosphere
400
How are the atoms in an object affected when the temperature of the object increases.?
They vibrate faster.
400
A plant begins to bend when a tall building is built near it. Why does this occur?
It is growing toward the light source.
400
What is the relationship between eyesight and light?
Light reflects off an object and then enters the eye, allowing people to see the object.
400
What summarizes the composition of the Earth's core?
It contains a liquid outer region surrounding a solid iron core.
400
Why do seeds go through a period of dormancy?
It allows time for the right conditions to occur before the seed germinates.
500
How could acid rain affect the trees living in a forest?
It could alter the soil quality, adding toxins that harm the trees.
500
This is composed of matter.
an atom
500
What is the relationship between the electromagnetic spectrum and sight?
Visible light is the part of the electromagnetic spectrum that can be seen with the eye.
500
What summarizes the order of energy flow in a food chain?
Sun to producers to consumers to decomposers
500
Why are some coffee cups composed of ceramic material?
Ceramic materials are insulators that limit heat transfer.