Science Review #2

The climate of a place is colder than it used to be. Which animal is most likely to survive in the colder climate?

• a cold blooded reptile

• an animal that runs fast

• an animal that lays eggs

• a mammal with thick fur

Manatees are mammals that live in shallow waters. Because these animals are warm blooded they get sick easily when the temperature drops. Which behavior is most important to the survival of the manatee?

• breathing at a slow rate

• swimming to deeper waters

• feeding more to increase body fat

• migrating to natural springs of warm water

What is the milky way?

• a constellation

• one of many galaxies

• the only galaxy in the universe

• the primary source of energy for the sun

What do the outer planets of our solar system have in common?

• they all have water or ice

• they all have moons that support life

• they are relatively small and made of rock

• they are relatively large and made up of gas

Ashley makes a model of the solar system. Which of these should she place in her model between Venus and Mars?

• Earth

• Saturn

• Jupiter

• Mercury

True or false : a variable is something that you can change in an experiment.

• true

• false

Which organ removes waste from the blood?

• the large intestine

• the small intestine

• the kidney

• the heart

Where does air go when you breathe in?

• Into the heart

• into the stomach

• into the lungs

• into the liver

Humans interpret seeing, hearing, tasting, and smelling in the

• Brain

• Spinal Cord

• Receptors

• Skin

Which of the following plant structures is responsible for keeping the plant upright?

• Leaf

• Flower

• Roots

• Stem