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- 1. Multiple Choice
Which is the BEST evidence that plants and animals are made up of tiny cells?
Plant and animal cells have similar parts.
Some plant cells are visible with a hand lens.
Scientists believe cells are the building block of living things.
Scientists use microscopes to study and make images of plant and animal cells.
- 2. Multiple Choice
A student argues that a constructive process changed Earth's surface in a park near his home.
Which surface feature could the student use as evidence for his argument?
a canyon
a U-shaped valley
a crack in Earth's crust
a moraine (a mass of rocks and sediment deposited by a glacier)
- 3. Multiple Choice
A student drops some nails into a trashcan half filled with wood shavings. Which is a way to separate the mixture of nails and wood shavings?
using a filter
flotation
evaporation
using a magnet
- 4. Multiple Choice
A student wants to research invertebrate animals. Which of these animals should she study? Select THREE animals.
frog
fish
clam
worm
spider
- 5. Multiple Choice
A student is hiking on a summer day. She sees pieces of rock fall down a cliff.
Which TWO processes MOST LIKELY occurred?
erosion by water
weathering by ice
erosion by gravity
deposition by wind
- 6. Multiple Choice
A student determines that the temperature in a room is 21oC. The temperature outdoors is 3oC. The student notices that water droplets have formed on the inside of a window.
Which argument is supported by the student's observations?
Condensation is making the room warm.
Liquid water is warmer than water vapor.
The warm room is causing water to evaporate.
The cold window is causing water vapor to condense.
- 7. Multiple Choice
A robin sings a song, hunts worms on a school lawn, builds a nest, and sleeps at night.
These behaviors are all considered _____________.
instincts
learned behaviors
- 8. Multiple Choice
A junkyard needs a magnet to separate iron and nickel scraps from other items. The scraps will be placed in a container for recycling. A manager is deciding whether to purchase an electromagnet or a bar magnet.
Which is the BEST reason to choose an electromagnet or a bar magnet?
bar magnet-- because it is permanent
electromagnet -- because it attracts iron and nickel
electromagnet -- because it can be turned on and off
bar magnet -- because it is stronger than an electromagnet
- 9. Multiple Choice
What are the effects of seawalls and jetties? Select TWO effects.
restore damaged beachers
control beach deposition by wind
hold back floodwaters from rivers
allow floodwater to flow into drains
prevent beach erosion by ocean waves
- 10. Multiple Choice
Which of these actions will cause a chemical change?
burning a substance
evaporating a substance
dissolving one substance in another substance
mixing two different states of the same substance
- 11. Multiple Choice
A student argues that some microorganisms are harmful. Which is the BEST evidence to support the student's claim?
Bacteria turn mild into cheese.
Fungi and bacteria are decomposers.
Bacteria in raw meat can make people sick.
Algae are the main producers of oxygen in oceans and lakes.
- 12. Multiple Choice
A teacher models a process that changes Earth's surface. She uses a wood block to represent a rock. She rubs the block with sandpaper, causing tiny pieces of wood to break off the block.
Which process does the teacher model?
erosion
gravity
deposition
weathering
- 13. Multiple Choice
Winds blow across a desert. Which landform will MOST LIKELY form where the winds slow down?
dune
delta
mountain
floodplain
- 14. Multiple Choice
A student is making an electrical circuit. She needs one more part--wire. What will the wire do?
open and close the circuit
supply electric current
allow electric current to flow through the circuit
convert electrical energy into another form of energy
- 15. Multiple Choice
A scientist studies seismograms from an area near a coast.
Which question can the scientist BEST answer with the seismograms?
How old are cliffs along the coast?
When will the next earthquake occur?
How do ocean waves affect landforms?
What was the strength of an earthquake in the area?
- 16. Multiple Choice
What TWO organelles to plant cells have that animal cells do not?
Chloroplasts
Vacuoles
Cell Membrane
Cell Wall
- 17. Multiple Choice
A student gives a toy to a cat. The cat rolls and plays with the toy.
Which is the BEST question the student could ask to determine whether playing with toys is an instinct or a learned behavior in cats?
What is the toy made of?
Does the cat play with the toy every day?
Do the cat's brothers and sisters also play with toys?
When the cat was young, did it see its mother play with toys?
- 18. Multiple Choice
Which of these actions can BEST limit the erosion of coastal dunes?
planting grass on the dunes
removing animals from the dunes
moving sand from the ocean floor to the dunes
- 19. Multiple Choice
A student sorts animals into groups. One group includes a hawk, a mouse, a fox, and a bear.
Which animal should the student remove from this group?
fox
bear
hawk
mouse
- 20. Multiple Choice
Which statement about levees is true?
They limit coastal flooding.
They prevent erosion of river banks
They allow deposition on floodplains.
They help control flooding along rivers.
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