Physical Science
Earth science
Life science
Physical science 2
Life science 2
100

Why is it dangerous for a human to touch a unstable electric wire or electricity?

Humans are conductors and may get electrocuted.

100

Is a Volcano a Destructive or Constructive force?

Constructive force and destructive force.

100

What does bacteria have to be viewed with?


A.Telescope

B.Magnifying glass

C.Microscope

C because bacteria is microscopic and requires a microscope to view the organism.

100

What kind of change is NOT reversible?

Chemical change.

100

Which trait is acquired?

1.Freckles

2.Green eyes

3.Dancing

4.Skin color

Number 3 is acquired because later in life we learn how to dance.

200

Sofie is making a simple circuit with one wire a battery and a light bulb she is trying to make the lightbulb shine. What is Sofie missing?

Sofie requires a second wire to make the lightbulb shine.

200

What causes a delta to form?

The process of deposition from a river can from a delta.

200

Amy is making a plant cell she includes a balloon for the cell membrane, jelly for the cytoplasm and a rubber ball for the nucleus. what else is Amy missing?

Amy is missing the Mitochondria, Chloroplasts and vacuole

200

Alice is conducting an experiment with water, she puts a glass of water in each room at different temperatures. The first test Alice conducted and the water was gone, why did this happen?

This happened because the room temperature was most likely at a high farenheit that might have caused the water to evaporate.

200

Amy and Alice are siblings yet they look different, why is this?

Amy might have inherited traits from the opposite parent.

300

Oscar is experimenting with magnets. One pair of the magnets are repelling. what is wrong with Oscars experiment?

The magnets most likely are pointing south and south poles or north and north poles that causes them to repel.

300

How are plateau's formed?

When earths tectonic plates collide during earthquakes and that is how plateau's are formed.

300

True or false? both plant cells and animal cells have chloroplasts.

False animal cells do not contain chloroplasts while plant cells do.

300

Andy mixed a red and white mixture and got the color pink. Is this a physical or chemical change?

It is a physical change because red and white make the color pink according to color theory.

300

Adam thinks that his skin color is acquired because every time he goes to the beach his skin changes to a darker color. Is Adam correct?

Slightly because skin color is inherited but can change based off of the environment around the person.

400

If a magnet has both south and north sides facing each other would the magnets attract?

Yes when both north and south poles are facing each other they would attract to the magnet.

400

What is a dune?

A formation when sand is carried from one place to another which is the process deposition.

400

What does the nucleus do?

the nucleus serves both as the holder of the DNA and as the cell's control center.

400

What kind of change is reversible?

Physical Change.

400

Amy says that her ability to play soccer is acquired but Alice says she inherited the skill from her parents, who is wrong?

Alice because you don't automatically know how to play soccer the minute your born you have to learn the skill.

500

Why do you feel a tiny sting after you rub your foot on a carpet?

Because you built up static electricity.

500

How is a mountain formed?

Mountains are formed due to the tectonic movements, earthquakes, volcanic eruptions and erosion.

500

What does the chloroplast provide for the plant cell?

chloroplasts provide energy through photosynthesis and oxygen-release processes.

500

Amy and Oscar are having a fight whether or not that burning is a chemical or physical change, Amy says its a chemical change while Oscar says its a physical change. Who is correct?

Amy because burning is a chemical change.

500

Shelly says that she inherited her eye color from her mom because they both have green eyes except Shelly looks more like her dad than her mom, why is this?

Shelly might have inherited most of her looks from her dad and some of her looks from her mom.