Review Lesson 1

General SCIENCE
Grade 7

E-learning Golden Rules
You agree to:

1. Listen to your teacher.

2. Ask questions

3.
Be prepared to start the lesson by having
your resources ready.

4. Be in your school uniform..

5. Try your best and be an active learner!

6. Do not interrupt when some one is talking.

Energy and
States of Matter

Lesson 1

Multiple Choice

Matter is made up of motionless particles. _______________

• True

• False

Multiple Choice

Each of the following is a state of matter EXCEPT ____.

• solid

• Liquid

• Gas

• Density

Multiple Choice

Kinetic energy is the _____ of motion.

• temperature

• energy

• heat

• state

Multiple Choice

The model shown represents one molecule of hydrazine, a chemical in rocket fuel. The black spheres represent nitrogen atoms, and the white spheres represent hydrogen atoms. Based on the model, what is the atomic composition of hydrazine?

• 1 atom of nitrogen and 1 atom of hydrogen

• 4 atoms of nitrogen and 2 atoms of hydrogen

• 2 atoms of nitrogen and 2 atoms of hydrogen

• 2 atoms of nitrogen and 4 atoms of hydrogen

Draw

Draw the Particles in a solid

Draw

Draw the Particles in a gas

Draw

Draw the Particles in a Liquid

Multiple Choice

Which state of matter has both definite shape and definite volume?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

In which state of matter are the particles only vibrating?

• Solid

• Liquid

• Gas

Multiple Choice

Which state of matter has no definite shape and no definite volume?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

This state of matter has a changeable shape but the volume does not change. What is it?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

As matter changes state from liquid to solid, the atoms move___?

• Closer together

• Stay the same

• Farther apart

Multiple Choice

All particles that make up matter are in constant motion.

• Agree

• Disagree

Activity - Investigation

Textbook # 78

Multiple Choice

What two states of matter are pictured in the image below?

• liquid and gas

• gas and solid

• solid and liquid

• volume and solid

Multiple Choice

Particle motion in ice is -----------than particle motion in water.

• slower

• faster

• similar