15 questions
The law of conversation of energy states that energy can be neither created or destroyed, but it can change its_______
obsrvation
fome
big papa
form
A soccer player kicked a ball, which then rolled across the ground. What type of energy transfer took place when he kicked the ball?
a. Electrical
b. Thermal
c. Electromagnetic
d. Mechanical
Some facts about birds called cattle egrets are listed above.
Which of these facts best describes how these birds depend on other animals to survive?
Fact 1
Fact 2
Fact 3
Fact 4
Some facts about birds called cattle egrets are listed above.
Which of these facts best describes how these birds depend on other animals to survive?
Fact 1
Fact 2
Fact 3
Fact 4
The food web above represents organisms in a field.
What role do raccoons play in this food web?
Prey
Producer
Consumer
Decomposer
The apparent __ is how a star looks from Earth.
dimmer
closer
brightness
farther
Stars that are far away appear __ even though they might be brighter than our own Sun.
brighter
farther
closer
dimmer
A very bright star can seem to be dimmer because it is
farther away.
very close.
cooler in temperature.
sparkling.
Which of these changes would likely occur if the rate of the Earth's rotation on its axis increased?
The length of the seasons would be shorter.
The length of the seasons would be longer.
The length of the day would be shorter.
The length of the day would be longer.
A student wants to use a spinning basketball to model the day and night cycle on Earth.
What should the student do in order to best model the cause of the day and night cycle?
Spin the ball in different directions
Tilt the ball while it is spinning
Paint one half of the ball b lack and the other half white
Shine a bright light on one side of the ball
Axis
person who studies space and the universe beyond Earth's atmosphere.
an invisible line around which an object spins.
imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.