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Physical Science
Life Science
Earth Science
Engineering
Grab Bag
100
This is the force that is exerted on objects by Earth that directs/pulls them down.
What is gravity?
100
Plants get the materials they need for growth chiefly from these two things.
What is air and water?
100
Your shadow is the shortest/smallest during this time of day.
What is noon?
100

Sandy is building a small toy car. He wants to use a balloon to power the toy car. He fills a balloon with air and then attaches a straw to the balloon. He tapes the balloon-straw combination to the car and then releases the end of the balloon. The toy moves forward as the air from the balloon comes out the back of the straw. What can Sandy do to make the toy car move faster?

What is blow up the balloon more?

100

Casey is given a sample mixture containing calcium carbonate, glucose, iron filings, and silica sand. Which of the materials could be separated out with a magnet?

What are iron filings?

200
Animals get their energy from this.
What is food?
200
This scientific process is how plants take matter that is not food (light, air, water, and soil) and turn it in to matter that is food.
What is photosynthesis?
200
Oceans, lakes, rivers, glaciers, ground water, and polar ice caps are all examples of this.
What is where Earth's water is located?
200
Some cities build a wall as a barrier between a river and the city. What specific problem does this design solution aim to solve?
What is keeping water from flowing into the city during heavy rains and floods?
200

Of the following substances in each mixture, what is the only one that is soluble in its mixture? Sugar in water, sand in water, oil in water, or pebbles in water?

What is sugar in water?

300
Adding air to expand a basketball and dissolving sugar in water are both examples that prove matter is made of particles that are too ______ to be seen.
What is small?
300
If you go far enough down the food chain, food of almost any kind of animal can be traced back to _____.
What is plants?
300
Most of the Earth's water is found here.
What is the oceans?
300
Action AA batteries last four times as long as Bonus AA batteries. Action AA batteries also cost four times as much as Bonus batteries. What is a good reason to buy Action AA batteries?
What is they generate less waste in the long run?
300
An organism that consumes only plants is this.
What is an herbivore?
400
Energy in animals' food that is used for body repair, growth, motion, and to maintain body warmth was once energy from this.
What is the Sun?
400

This process eventually restores (recycles) some materials back to the soil after a plant or animal's death.

What is decomposition? (Composting)

400
The orbits of Earth around the Sun and of the moon around Earth, together with the rotation of Earth about an axis between its North and South poles, cause this.
What are observable patterns? (day and night; daily changes in the length and direction of shadows; different positions of the sun, moon, and stars at different times of the day, month, and year)
400
When an experiment is repeated and the new results are different from the original results, what could you assume to be true?
What is neither test results are 100% reliable and additional experimentation is needed?
400
If several governments decided to agree to limit the amount of fish harvested from an ocean, this would be an example of _____.
What is conserving a natural resource?
500
Regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is _______.
What is conserved? (stays the same)
500
Newly introduced species can do this to the balance of an ecosystem.
What is damage it or throw it off?
500

The sun is a star that appears larger and brighter than other stars because it is _____.

What is closer to Earth than other stars?

500
Ms. Jovin's class is investigating simple machines. They built a ramp to roll tennis balls down, and measured how far they rolled. The tennis balls released at the top of the ramp all traveled about the same distance. If they wanted the balls to roll even further, they could do this.
What is build a ramp that is taller?
500
A big rock is weathered over many years by a river, until only small pebbles remain. The mass of all the pebbles is less than the mass of the rock. The rest of the rock PROBABLY did this.
What is converted into soil?