Which of the following shows an energy transformation from chemical energy to electrical to light energy?

A battery causes a flashlight to shine.

A bolt of lightning lights the night sky.

A candle glows brightly in the dark.

A fire in a fireplace lights up a room.

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

chemical to mechanical to thermal

mechanical to thermal to electrical

mechanical to chemical to sound

chemical to sound to electrical

Why is water known as the universal solvent?

It dissolves the greatest number of substances

It dissolves all known substances

It dissolves only solid substances

It dissolves substances faster than all other solvents.

Waves have different characteristics depending on their frequency, wavelength and speed. These features vary from one wave to another. What controls the speed at which a wave travels though a medium?

The type of substance through which the wave is travelling

Waves can travel at all different speeds

Nuclear energy can be used instead of fossil fuels to produce heat to turn water into steam and thus to generate electricity in power stations. Nuclear energy is produced in a nuclear reactor using a fission reaction. What occurs in a fission reaction to cause nuclear energy to be released?

The nuclei of large atoms break apart into smaller atoms with a lower total mass

Radioactive waves generate heat

Alpha and beta particles are released from the nuclei or large atoms

The Periodic Table used by scientists today contains about 115 elements. Each of these elements has different chemical properties. What gives these elements their different chemical properties?

The number and arrangement of electrons

The number and arrangement of neutrons

The number of protons and neutrons

In multicellular plants and animals, the cells need to obtain oxygen, water and nutrients, and to dispose of carbon dioxide and other wastes. How is this brought about?

The various systems working together

By the movement of materials into the cells

Through respiration and photosynthesis

What happens when tissue is damaged in a multicellular organism?

Healthy cells near the damaged cells divide to form new cells

The damaged cells repair themselves

Cells near the damaged area get bigger

Science Fair Quiz

7th - 10th Grade

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Science Fair Quiz

Quiz

•

Biology, Physics, Chemistry

•

7th - 10th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, MS-LS2-4, MS-LS2-1

+12

Standards-aligned

Dennis White

Used 5+ times

FREE Resource

65 questions

Show all answers

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Periods

Groups

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Periods

Groups

MULTIPLE CHOICE QUESTION

1 min • 12 pts

The number at the bottom of each square on the periodic table is the ...

atomic number

atomic mass

chemical symbol

element name

The atomic number tells you what?

number of electrons

number of protons

number of neutrons

both electrons and protons in an atom.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A proton is....

A negatively charged subatomic particle

A positively charged subatomic particle

A neutrally charged subatomic particle

The only subatomic particle located in the nucleus

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many protons are in Beryllium?

What is the formula to calculate speed?

S = t/d

S = d/t

S = d x t

S = t x d

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Science Fair Quiz

65 questions

The number at the bottom of each square on the periodic table is the ...

The atomic number tells you what?

A proton is....

How many protons are in Beryllium?

What is the formula to calculate speed?

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Alan travels 100 km in 5hrs. Find his average speed in km/h

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

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