Science Fsa Review

In the human body, blood carries oxygen to the organs. Which of the following pumps blood throughout the body?

• heart

• kidneys

• liver

• lungs

Stars are objects in space that produce their own heat and light. Where would the greatest number of stars be found?

• in a galaxy

• in our solar system

• in an asteroid belt

• in a meteor shower

Denise wants to know which time of day is the warmest. She creates a chart to record the time and temperature at various times over several days. Which of the following BEST describes why Denise should keep detailed notes from her experiment?

• to prevent others from doing the same investigation

• to prevent others from making mistakes when doing the investigation

• to allow someone to practicee note-taking skills when doing science investigations

• to all someone to do the same investigation and check accuracy results

Daniella measured 400 milliliters (mL) of water using a beaker. She then heated the water until it boiled. She poured the boiling water back into the beaker and saw that there was less water than she had before. What property changed after the water was boiled?

• color

• shape

• texture

• volume

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Melanie looks at the sky at night and can see Venus. She knows that Neptune is much larger then Venus, yet Neptune cannot be seen from Earth without a telescope. Which of the following explains why Neptune cannot be seen without a telescope?

• it is surrounded by moons

• it has a rough surface

• it is a gaseous planet

• it is far from Earth

The sun provides Earth with two forms of energy. What are the two forms of energy?

• light & heat

• sound & motion

• electricity & light

• magnetism & friction

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Astronomers have developed a scale to make it easier to compare the brightness of different stars. Flavia is comparing two stars. Which of the following is the most likely reason for why one star appears brighter than the other?

• they are made of differnt gases

• they release different amounts of light

• they are part of galaxies that are expanding

• they move different distances as they revolve

Abigail uses a rope to lower a bucket in order to get water from a well near her house. Which force allows the bucket to be lowered?

• electrical

• friction

• gravity

• magnetism

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In which organ does digestion mostly occur?

• stomach

• small intestinie

• large intestine

• liver

Lorena is going to dissolve a teaspoon of sugar in a cup of hot tea. What could Lorena do to dissolve the sugar more quickly?

• Add ice to the cup

• Stir the tea vigorouly

• Add more sugar to the tea

• Put the tea and sugar in a larger