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WorksheetsScience Bowl- Week 6
Total questions: 12
Worksheet time: 14mins
Which of these conditions has the greatest effect on how quickly a substance changes from one state to another?
color
shape
light
temperature
Alonso uses a stretched rubber band to propel a toy car across a flat surface. What force makes the car roll forward?
a push from the air
the pull of gravity
a push from Alonso’s hand
a push from the rubber band
Which of the following must be true for scientific results to be valid?
The results should be drawn in a graph.
The results should be based on evidence.
The results should support the ideas of other scientists.
The results should match the predictions of the scientist.
Two substances make up a mixture. What is the fastest way to separate substance X from substance Y?
Use a magnet to attract one of the substances and leave the other.
Put the particles in a container of water so that one will float and one will sink.
Dissolve the substances in water and then evaporate the water to separate them.
Sift the smaller particles through a screen to separate the bigger and smaller ones.
Which of the following is a difference between the inner planets and the outer planets?
The outer planets rotate as they revolve around the sun. The inner planets do not rotate.
The inner planets travel a greater distance around the sun than the outer planets do.
The outer planets travel a greater distance around the sun than the inner planets do.
The inner planets rotate as they revolve around the sun. The outer planets do not rotate.
A Venus flytrap is a plant that often lives in bogs, where soil does not have a lot of nutrients. The plant has special leaves that trap insects and break them down for nutrients. Its other leaves use sunlight to produce food. It takes in water through hairlike roots. Which characteristic of the Venus flytrap is unusual for a plant?
living in bogs
trapping insects for nutrients
taking up water through roots
using sunlight to produce food
The following diagram shows a location where two air masses meet. What kind of weather is most likely at this location?
a lightning storm
gentle rain or snow
fog followed by cold weather
a thunderstorm
What type of rock can be found as “layers” of another, or can be broken down in parts of fossils?
Sedimentary
Metamorphic
Igneous
Lava
Kimara is an expert at blowing bubbles with bubble gum. She discovered that her bubbles were bigger if she stood facing the Sun when she blew them. At lunch she told her three best friends about her discovery and after school they all tried it. No one else was able to blow bigger bubbles when they faced toward the Sun. Which of the following would be best for Kimara to do next?
She should give them each bigger pieces of bubble gum and try it one more time.
She should prove she is right by blowing bubbles while her friends are watching.
She should ask her friends to try it again and concentrate harder when they face the Sun.
She should think about what else she is doing that might have made the bubbles bigger.
The waxy leaves on some trees help keep water inside the leaves. Which body part performs a similar function?
ears
eyes
skeleton
skin
All visible stars in the night sky are many times larger than Earth. Why do they look like tiny points of light?
They are moving very fast.
The atmosphere blocks most of their light.
The stars visible at night are located very far from Earth.
Most of the light from stars is absorbed by galaxies, so it does not reach Earth.
To conserve energy or if they don’t have a clothes dryer, some people hang their laundry outside to air dry. Which of the following is the most optimal day to hang laundry?
a cold, rainy day
a cold, cloudy day
a warm, sunny day
a warm, cloudy day
