Science Review

The smallest part of an element...

• atom
• molecule
• electron

Type of matter made of two or more elements...

• element
• mixture
• compound

Substance with a DEFINITE volume, but NO definite shape...

• solid
• liquid
• gas

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

Which is the manipulated variable?

• Dependent Variables
• Constant Variable
• Control Variable
• Independent Variable

According to the picture, which of these is an inference rather than an observation?

• This animal has hair
• This animal has a tail.
• This animal is arching its back.
• This animal is frightened.

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock

One of the main differences between the outer and inner planets is __________.

• The inner planets all have water
• the inner planets are much bigger than the outer planets
• the outer planets are gas planets
• the outer planets have rings, and the inner planets don't

About how long does it take the moon to make one complete cycle around the earth?

• 65 days
• 8 days
• 365 days
• 28 days

What Moon phase is this?

• Waxing Crescent
• Waning Gibbous
• Waning Crescent
• Waxing Gibbous