STAAR Success - Grade 5 Science - Practice #2

• The salt molecules are destroyed.

• The salt becomes a new compound.

• The salt breaks into smaller particles that mix with the water.

• The salt turns into water molecules.

• Delivering nutrients to cells

• Exchanging oxygen and carbon dioxide

• Producing energy in cells

• Breaking down food

• Whales evolved from land mammals.

• Whales have always lived in the ocean.

• The land mammal evolved from whales.

• Whales share no evolutionary link with the land mammal.

• Cutting down forests without replanting trees

• Overfishing certain species of fish

• Using wind turbines to generate electricity

• Burning coal for energy

• Color

• Flexibility

• Strength

• Cost

• Air quality improves.

• Air quality worsens.

• Air quality remains the same.

• Air quality depends on precipitation.

• The Earth's shadow falls on the moon.

• The moon moves closer to or farther from the Earth.

• The moon orbits the Earth, changing the sunlight we see.

• The sun's light is blocked by other planets.

Group 5

Source 5.1

• Kinetic energy

• Potential energy

• Thermal energy

• Sound energy

• The salt molecules are destroyed.

• The salt becomes a new compound.

• The salt breaks into smaller particles that mix with the water.

• The salt turns into water molecules.