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WorksheetsScience Bowl- Week 7
Total questions: 10
Worksheet time: 11mins
Mr. Bryant wants his class to observe and measure baby mice and record the data in their science journals. Using this journal entry, what conclusion can the student make based on these data?
A mouse will never weigh more than 6g.
Baby mice can vary in size, color, and activity level.
Baby mice will never be less than 11 mm in length at birth.
Brown baby mice are bigger than white baby mice.
The following pictures show the particles of a substance in different states. All of the pictures show the same substance. Which is most likely a solid?
The rails on a railroad track have small gaps between sections of metal rails. Why are these gaps needed?
They allow the metal to expand when it is heated without bending the rails.
They allow the metal to expand when it is cooled without bending the rails.
They keep the rails from touching and reacting with one another.
They help chemical reactions between the rails and air happen faster.
Leo placed each of the objects on a smooth surface. He then used a spring device that applied 10 N of force to each object. Assume that the friction experienced by each object is the same. Which object traveled farthest?
metal washer
rock
plastic disk
wooden block
What form of energy cooks food in a solar cooker?
chemical energy
electrical energy
light energy
mechanical energy
You set up the following experiment. Inside the glass bowl is a smaller bowl and water. The glass bowl is covered with cling wrap, held in place by a rubber band, with a weight on the outside of the wrap. Which part of the water cycle causes the water droplets to form on the cling wrap?
Condensation
Evaporation
Precipitation
Runoff
Ana noticed that she can only see certain patterns of stars during certain times of the year. What causes this?
The sun’s rotation
The Earth’s rotation
The sun’s revolution
The Earth’s revolution
It is important that appliances and lights are turned off when no one is home. This helps to conserve energy. Why is it important to conserve energy?
Energy cannot be purchased in small amounts.
Energy most often comes from renewable resources.
Energy most often comes from non-renewable resources.
Energy is very difficult to bring into homes.
When compared to other stars, the sun is not very unusual. However, the sun is very important to humans. What makes the sun more important than the other stars?
Unlike other stars, the sun is very large.
When compared to other stars, the sun is the hottest.
Unlike other stars, the sun is the right color for living things.
When compared to other stars, the sun is very close to Earth.
The Arctic Fox is a small mammal that lives in the coldest areas of North America. In the summer, the fox is brown or dark gray. In the winter, is changes color to pure white. How does the ability to change the color of its fur help the Arctic Fox?
It helps it to find water.
It allows it to hide from predators.
It helps it to protect its young.
It helps it to stay warm.
