science eog review

Which would most likely be the result after an injury to the muscular system of the human body?

• The body would not be able to move as easily
• The body would not be able to carry blood to the heart
• The body would not break down food as easily.
• The body would not be able to absorb nutrients

Which best describes an ecosystem?

• all the living and non-living things in an area
• all the organisms of the same kind in an area
• a large area, such as a forest
• a place where many organisms live

When a fern plant in placed near a window, the fern  grows toward the sunlight.  Where did the sun get this trait?

• from its location
• from the soil
• from its food
• from its parents

Which is an example of a learned behavior?

• A bear looks for food in the trash.
• A human baby cries.
• A tiger cares for its young
• A blue jay eats seeds.

How do bacteria most likely affect  birch trees in a forest?

• Bacteria add nutrients to the soil that birch trees need
• Bacteria help birch trees reproduce by spreading pollen
• Bacteria provide energy that birch trees need
• Bacteria help birch trees reproduce by spreading seeds

Which is an example of a learned behavior?

• A bear looks for food in the trash.
• A human baby cries.
• A tiger cares for its young
• A blue jay eats seeds.

Which best explains why a certain horse has longer legs than its father?

• The horse inherited traits only from its mother
• The horse learned different behaviors than its father
• The horse acquired more traits during its lifetime
• The horse inherited traits form both parents.

A student rolls a ball down a smooth wooden ramp and observes what happens.  Then he puts sandpaper on the ramp and rolls the ball again.  What is the student most likely investigating?

• The effect of a change in gravity on the ball's motion
• The effect of a change in mass on the ball's motion
• the effect of the change of friction on the ball's motion
• the effect of a change in the ball's motion on the ramp

An orange is cut into four equal parts.  Each part weighs 2.5 ounces.  How much did the orange weigh before it was cut?

• 2.5
• 5
• 10
• 40

A student is investigating how water changes from a liquid to a solid.  Which information would be best for the student to record in a data table?

• changes in the water's temperature
• changes in the waters weight
• changes in the water's shape
• changes the water's color