Elements of Science Final Review 2023 Part 1

1. The rate of change of velocity is known as ___________________________.

• force

• distance

• speed

• acceleration

2. Forces on an object that are equal in size and opposite in direction are called ________ forces.

• opposite

• positive

• equal

• balanced

Newton stated that an object at rest will stay at rest or an object in motion will stay in motion unless acted upon by an outside force. Which of Newton’s laws is this?

• 1st

• 2nd

• 3rd

• 4th

4. Positive acceleration means that the object is ______________________________.

• slowing down

• standing still

• speeding up

• moving backward

5. The ability to do work is _________________________ .

• energy

• power

• work

• heat

Tags

NGSS.MS-PS3-5

6. A moving object has ______________________ energy.

• kinetic

• potential

• thermal

• heat

Tags

NGSS.MS-PS3-1

7. ____________________ is the distance an object travels per unit of time.

• acceleration

• speed

• energy

• force

Tags

NGSS.MS-PS3-1

8. The only difference between speed and velocity is that velocity needs a ________________.

• distance

• speed

• time

• direction

9. What is the right side of a chemical equation called?

• reactants

• balanced

• products

• reactions

10. How many Oxygen atoms are found in the following: 3 CuSO4

• 4

• 3

• 7

• 12

Tags

NGSS.MS-PS1-1