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- 1. Multiple Choice
Some constellations or patterns of stars are visible from different places on Earth only during a part of the year. Why are certain patterns of stars not visible everywhere on Earth all year long?
Sun's rotation
Earth's rotation
Sun's revolution
Earth's revolution
- 2. Multiple Choice
Which of the following explains why we have night and day?
the phase of the moon
the rotation of Earth on its axis
the revolution of Earth around the sun
the alignment of planets
- 3. Multiple Choice
The picture shows coal, one of Earth's energy resources.
Why is coal a nonrenewable resource?
It is difficult to mine because it is deep inside Earth.
It is a resource that can easily be replaced as it is used.
It is a resource that cannot be replaced as fast as people use it.
It is the resource that fuels many power plants that make electricity.
- 4. Multiple Choice
Plants need many things in order to make their own food. Which of the following best describes what plants need to make their own food?
a plant uses soil, sunlight and oxygen
a plant uses sunlight, carbon dioxide and water
a plant uses sunlight, carbon dioxide and oxygen
a plant uses soil, sunlight and water
- 5. Multiple Choice
Lu Chen is comparing the physical properties of water as a gas and as a solid. Which of the statements best describes how these two are different?
Solid water is much warmer than water vapor.
Solid water has its particles farther apart than water vapor.
Solid water has a definite shape and water vapor does not.
Solid water has the same mass as the same volume of water vapor.
- 6. Multiple Choice
Substances can change in different ways. Sometimes they produce new substances. This is called a chemical change. Which is an example of a chemical change?
an ice cube melting
a pencil snapping in two
an eraser getting smaller
a cake baking in an oven
- 7. Multiple Choice
Tyler does a report about objects in motion for science class. He gives examples of animals, people, cars, and airplanes as objects that can be in motion. Which of the following statements can Tyler include in his report about motion?
All objects in motion are accelerating.
Gravity has no effect on objects in motion.
Motion is the change of position of an object.
Objects in motion always change their direction.
- 8. Multiple Choice
Which phase of the moon can be seen from Earth during this alignment?
Moon - Earth - Sun
New Moon
Full Moon
- 9. Multiple Choice
Which type of consumers get their energy by consuming other consumers (meat)?
Omnivores
Herbivores
Carnivores
- 10. Multiple Choice
Why can we see the constellation Gemini only during late spring or early summer?
Because of the Earth's rotation.
Because of the Earth's revolution.
- 11. Multiple Choice
What type of energy is stored in a object sitting on the top of a hill?
Potential
Kinetic
- 12. Multiple Choice
An unbalanced force is required to move an object that is not moving?
True
False
- 13. Multiple Choice
-
-365.24 days to complete
-Causes the apparent change in the constellations positions through the year
-Cause seasonal changes in combination to the tilt
Earth's rotation on its axis
Earth's revolution around the sun
The moon's rotation around the Earth
- 14. Multiple Choice
what is an organism?
Plants only
Animals only
Any living thing
- 15. Multiple Choice
What are organisms that consume only producers to get their energy?
Consumers
Producers
Herbivores
Omnivores
- 16. Multiple Choice
What are organisms that consume BOTH other animals and plants to get their energy?
Carnivores
Omnivores
Producers
- 17. Multiple Choice
If all of the producers were eliminated from an ecosystem, all the herbivores in that ecosystem would lose their food source.
True
False
- 18. Multiple Choice
Which of the following BEST describes photosynthesis?
Carbon Dioxide + Oxygen= Water + Food +Sunlight
Water + Sunlight + Oxygen +Carbon Dioxide = Sugar
Water + Sunlight +Carbon Dioxide = Sugar + Oxygen
- 19. Multiple Choice
Which combination is the FASTEST way to dissolve sugar in water
Hot water and smaller sugar pieces
Cold water and larger sugar pieces
- 20. Multiple Choice
Which is an accurate list of chemical changes?
Changing state of matter
Melting chocolate
Cutting a block of wood
Burning Paper
Rusting Nail
Rotting apple
- 21. Multiple Choice
The substance being dissolved?
Solute
Solvent
Solution
- 22. Multiple Choice
Water is an example of which of the following?
Solute
Solvent
- 23. Multiple Choice
The action of one surface or object rubbing against another?
Gravity
Friction
Non contact force
- 24. Multiple Choice
Which is a type of contact force?
Fiction
Gravity
- 25. Multiple Choice
Smaller
Closer to the sun
Hotter
Have a shorter orbit
Rocky surface
Inner Planets
Outer Planets
- 26. Multiple Choice
To reduce means to __________________
Increase
Decrease
Add
- 27. Multiple Choice
Which is a way to conserve trees? (Choose all that apply)
Reduces the amount of paper we use
Recycle paper
Never recycle cardboard boxed
- 28. Multiple Choice
TRUE OR FALSE
If the Earth does not tilt on its axis, there would be NO seasonal change.
True
False
- 29. Multiple Choice
The following is a list of objects and their densities. Which objects would float if the liquid they are in has a density of 4.0 kg/cm? (Select all that apply!!)
object A= 10 kg/cm
Object B= 2 kg/cm
Object C= 1.9 kg/cm
Object D= 3 kg/cm
Object E = 5.6 kg/cm
- 30. Multiple Choice
Which process is the BEST way to increase the concentration in a solution of sugar and water?
Decrease the amount of sugar, and increase the amount of water.
Increase the amount of sugar, and keep the amount of water constant(the same).
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