No Bones About It Science Olympiad

The law of reflection states that incoming and outgoing angles are

• always the same.

• never the same.

• always large.

• always small.

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NGSS.MS-PS4-2

Distance between one peak and the next in a wave is

• Frequency

• Pitch

• Wavelength

• Amplitude

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NGSS.MS-PS4-1

Ariana uses balloons to investigate static electricity. Which of the following best explains what will happen when she brings two positively charged gallons closed to each other?

• The balloons will move apart

• The balloons will come together.

• One balloon will lose its charge.

• One balloon will gain a negative charge.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Margot measured 400 milliliters (mL) of waters using a beaker. She then heated the water until it boiled. She poured the boiling water back into the beaker and saw that there was less water than she had before.

What property changed after the water was boiled?

• color

• shape

• volume

• texture

Tags

NGSS.MS-PS1-4

The organisms shown below live in or near bodies of water. Some are classified as vertebrates and some as invertebrates. Which organism is classified as an invertebrate?

• crab

• fish

• manatee

• turtle

Which of these is a scientific question?

• Which is a better insulator, wood or glass?

• Which is the most beautiful place on Earth?

• Which animal makes a better pet, a cat or a dog?

• Which color is most liked by the majority of people in the world?

Which variable must stay the same in order to find out which materials conduct electricity?

• the type of battery

• the color of the wire

• the materials tested

• the size of the materials

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NGSS.MS-PS2-3

Amber noticed that when she breathed on a cold mirror, the glass fogged up. Which of the following best explains why this happened?

• Amber’s breath caused a physical change, which froze the mirror.

• Cooling caused a physical change, which caused Amber’s breath to condense on the mirror.

• Amber’s breath cooled the mirror and caused a chemical change, which produced a white substance.

• Cooling caused a chemical change, which turned oxygen from Amber’s breath to water on the mirror.

Tags

NGSS.MS-PS1-4

Which of the following best describes the function of bones in the human body?

• A) They produce red blood cells.

• B) They store vitamins.

• C) They regulate body temperature.

• D) They digest food.

What is the primary mineral found in bones that provides strength and structure?

• A) Iron

• B) Calcium

• C) Potassium

• D) Sodium