Exploring the Wonders of Science

1. a. Emma: I can't live without my phone or laptop!

b.Jake: Yes! Technology helps, but we use it too much.

c.Emma: Do you use technology every day?

d.Jake: Yes, I use my phone for shopping and studying. What about you?

• A.c-d-a-b

• c-a-d-b

• d-c-a-b

• a-c-b-d

2.Sarah:thats nice!What job do you want?

b.Tom: Yes, I am looking for a job now

c.Sarah:Are you looking for a job?

d. Tom: A marketing job. I like social media and branding.

• A.c-a-b-d

• b-c-d-a

• a-c-b-d

• c-b-a-d

Who proposed the theory of relativity?

• Niels Bohr

• Galileo Galilei

• Isaac Newton

• Albert Einstein

What is the powerhouse of the cell?

• Nucleus

• Chloroplast

• Mitochondrion

• Ribosome

What is the speed of light in a vacuum?

• 150,000,000 meters per second

• 300,000,000 meters per second

• 299,792,458 meters per second

• 299,792 kilometers per second

What is the main gas found in the Earth's atmosphere?

• Helium

• Oxygen

• Carbon Dioxide

• Nitrogen

What is the formula for calculating force?

• F = m + a

• F = m / a

• F = m - a

• F = m * a

What is the name of the largest planet in our solar system?

• Saturn

• Earth

• Mars

• Jupiter

What is the pH level of pure water?

• 5

• 7

• 8

• 6

What is the law of conservation of mass?

• Mass is conserved in chemical reactions; it cannot be created or destroyed.

• Mass can be destroyed during a reaction.

• Mass is only conserved in physical changes.

• Mass can be created in chemical reactions.