5th Grade Science Review

Front

Which statement best describes another feature of atoms?

• Atoms are too small to be observed by the human eye.
• Atoms make up all types of matter.
• Each type of atom has a certain mass.

Back

Atoms bond together to form molecules.

Front

Which statement best represents Ptolemy’s model of the solar system?

Back

Like Aristotle, Ptolemy placed Earth at the center of the solar system.

Front

What step would a scientist take to prepare for a warm-weather natural disaster that could cause several days without electricity to keep medicines cool?

Back

Gather a generator and the fuel to power it.

Front

Why does the Moon stay in orbit around Earth?

Back

A force of attraction due to the Moon’s mass pulls Earth toward the Moon.

Front

Why is using a compass better for navigation than locating the North Star?

Back

A compass can be used to find direction during the daytime.

Front

Direction of marble's movement when air from student 1's straw has greater force than student 2's.

Back

toward student 2 because the forces are unbalanced

Front

How do the adaptations of the Bactrian camel and the kangaroo rat affect them?

Back

Make them blend into the environment

Front

What property of the molecules in a liquid causes a small piece of dust to jiggle slightly when observed under a microscope? Options: The molecules briefly form chemical bonds with nearby objects, The molecules are always in random motion, The molecules transfer an electric charge to the dust particles, The molecules frequently change shape.

Back

The molecules are always in random motion.

Front

Which cellular process converts light energy from the sun into chemical energy that organisms use for life functions?

Back

Photosynthesis, in which carbon dioxide is used and sugars are produced.

Front

What is the best ecological reason for using recycled paper?

Back

Recycled paper conserves resources.