Environment
Space
Physical Science
Periodic Table
100

A group of ecosystems with similar climates and organisms is known as a

Biome

100

Earth spinning on it’s axis is called a(n)

rotation

100

When water freezes, it undergoes what type of change

physical change

100

Bromine has atomic number 35. From this information you know that a bromine atom has how many protons and how many electrons?

35 each

200

Producers such as plants make their own food through the process of

photosynthesis

200

When the south end of the Earth’s axis is tilted toward the sun, what season is it in the northern hemisphere

winter

200

The tendency of an object to resist a change in motion is called

inertia

200

Metals on the periodic table allow electricity to pass through them easily. This means they are good ______________.

conductors

300

The most diverse ecosystem in the world are

tropical rainforests

300

The lunar eclipse only occurs when the moon is in the ___________________ phase

full

300

Which two variables affect the strength of the force of gravity between two objects?

mass and distance

300

A(n) _______________________ has some of the properties of both metals and nonmetals.

metaloid

400

A diagram that shows the amount of energy that moves from one feeding level to another in an ecosystem is called a(n)

energy pyramid

400

Which factors contribute to the reason for seasons?

earth's axis and revolution

400

Every chemical or physical change in matter includes a change in

energy

400

The number of protons in an element is also it’s

atomic number

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