Category 1 Matter & Energy
Category 2 Force, Motion, Energy
Category 3 Earth & Space
Category 4 Organisms & Environments
Mix It Up!
100
Which of these mixtures that you would find at a picnic could be separated using the apparatus above?
A. sweetened iced tea
B. pasta salad
C. orange juice with pulp
D. cola drink
C. orange juice with pulp
100
Which of these objects transforms electricity into sound energy?
A.electric stove
B.digital clock
C.iron
D.electric guitar
D.electric guitar
100
What is the table describing?
A.a location's climate
B.a location's weather
C.a location's altitude
D.a location's latitude
B.a location's weather
100
The food web below represents organisms in a forest.
What role do the pinecones play in this food web?
A. Prey
B.Producer
C.Decomposer
D.Consumer
B.Producer
100
Which of the following is a slow change in Earth's surface?
A.a river flood
B.an earthquake
C.a volcanic eruption
D.mountain building
D.mountain building
200
Annie is performing an experiment on solubility using salt and water. She fills four beakers with water and adds four teaspoons of salt to each. In which beaker will the salt dissolve fastest?
A.in the beaker at room temperature that is not stirred
B.in the beaker at room temperature that is stirred
C.in the beaker at 50°C that is not stirred
D.in the beaker at 50°C that is stirred
D.in the beaker at 50°C that is stirred
200
Look at the illustration. What property of light causes the straw to appear broken?
A.Reflection
B.Absorption
C.Transmission
D.Refraction
D.Refraction
200
The Sun is a major source of energy for Earth. It drives all of the following processes except
A.plant growth.
B.volcanic eruptions.
C.the water cycle.
D.wind formation.
B.volcanic eruptions.
200
Would it be difficult for the animals pictured here to survive in a tropical environment?
A.yes, because they are adapted to eat meat
B.yes, because they are adapted for the Arctic environment
C.no, because they are all at home in or near the water
D.no, because they are able to adapt to environmental changes
B.yes, because they are adapted for the Arctic environment
200
A student tracks the location of the Sun in the sky every hour of the day for 5 days. What will he observe?
A.The Sun appears to move across the sky over the course of a day.
B.The Sun appears to move across the sky over the course of a week.
C.The Sun appears to be in the same location in the sky all day every day.
D.The Sun appears to be in different random locations in the sky with no pattern.
A.The Sun appears to move across the sky over the course of a day.
300
Look at the food in the bowl.
Which of the following statements would best indicate that the food in the bowl is a mixture?
A.The ingredients can be physically separated.
B.All the ingredients have been mixed in the bowl.
C.More than one substance has been added to the bowl.
D.All the ingredients have combined to produce new substances.
A.The ingredients can be physically separated.
300
Jose wants to explain how electricity flows through a circuit. What real-world example would help his classmates understand how electricity flows?
A.A child pushing a toy car
B.Children on a carousel going round and round
C.A man raking leaves
D.A person using a compass to find direction
B.Children on a carousel going round and round
300
A process called weathering breaks rocks into smaller and smaller pieces. Mechanical weathering changes the physical appearance of rocks. Chemical weathering changes the chemical makeup of rocks. Which is an example of chemical weathering?
A.The roots of a plant grow into a rock and break it apart.
B.Strong winds blow rocks against each other. Little pieces of the rocks fall off.
C.Moss grows on a rock. It produces an acid that eats into the rock. The rock weakens and breaks.
D.Water flows between two layers of rock. It freezes and expands, breaking the rock apart.
C.Moss grows on a rock. It produces an acid that eats into the rock. The rock weakens and breaks.
300
Many species depend on forests for their survival and reproduction. Some of these species are endangered and could become extinct. What is the most likely reason for this?
A. too many forests cut down
B.climate change
C.forest fires
D.too many visitors to forests
A. too many forests cut down
300
Which of these describes the motion of particles in a solid?
A.Particles in a solid slide past each other.
B.Particles in a solid randomly collide with each other.
C.Particles in a solid vibrate in place.
D.Particles in a solid do not move.
C.Particles in a solid vibrate in place.
400
A student poured water into a container. Then the student carefully poured salad oil into the water and set the container on the desk for 10 minutes. The picture shows the result. The student has shown that, compared with water, salad oil is –
A. a worse conductor of electricity
B. a better conductor of electricity
C. less dense
D. more dense
C. less dense
400
How could you make wood undergo a chemical change?
A.cut the wood
B.grind the wood into sawdust
C.burn the wood
D.carve the wood
C.burn the wood
400
Aisha studies the Moon with a telescope. She always sees the same craters and other formations. Why does the same side of the Moon always face Earth?
A.Unlike Earth, the Moon does not revolve or rotate.
B.Because of Earth's rotations, the Moon always rises in the eastern sky.
C.The same side of the Moon is always facing the Sun.
D.The Moon rotates on its axis at the same rate it revolves around Earth.
D.The Moon rotates on its axis at the same rate it revolves around Earth.
400
Which describes the correct order of stages in the life cycle of a plant?
A.germination, larva, growth, growth, fertilization, seed, dispersal
B.germination, seedling, dispersal, adult, pollination, fertilization, seed, growth
C.germination, seedling, growth, adult, metamorphosis, fertilization, seed, dispersal
D.germination, seedling, growth, adult, pollination, fertilization, seed, dispersal
D.germination, seedling, growth, adult, pollination, fertilization, seed, dispersal
400
Look at the picture. Which foot is best adapted for swimming?
A.foot 1
B.foot 2
C.foot 3
D.foot 4
B.foot 2
500
Joanna put salt, sugar, water, and rocks in a cup. Then she shook the cup. When she finished, Joanna could see the rocks and water but not the sugar or salt. Which statement about the materials in the cup is true?
A.The rocks are part of Joanna’s solution but not her mixture.
B.The rocks are part of Joanna’s mixture and her solution.
C.The water is part of Joanna’s solution and her mixture.
D.Joanna did not make a solution or a mixture.
C.The water is part of Joanna’s solution and her mixture.
500
You have a flashlight and a mirror. Look at the drawings. Which shows the correct way to hold the mirror so it reflects light to the letter X?
A.Drawing A
B.Drawing B
C.Drawing C
D.Drawing D
B.Drawing B
500
The picture shows sedimentary rock that has not been disturbed. Which letter points to the oldest layer of rock?
A.Letter A
B.Letter B
C.Letter C
D.Letter D
D.Letter D
500
Some plants produce seeds in structures with wings like those shown. How are these seeds dispersed to places where they might grow?
A.They are eaten by animals.
B.They are carried by wind.
C.They get stuck to fur.
D.They float on water.
B.They are carried by wind.
500
The belt on a treadmill moves when the power switch is in the on position. What type of energy transformation allows the belt to move?
A.chemical energy to mechanical energy
B.mechanical energy to thermal energy
C.electrical energy to mechanical energy
D.thermal energy to sound energy
C.electrical energy to mechanical energy