Science Chapter 3 & 5 Review

Science Chapter 3 & 5 Review

How much do you remember?

Multiple Choice

Juan lets a ball go at the top of a ramp. The force of __________ causes the ball to roll down the ramp.

• heat

• motion

• gravity

• energy

Gravity

• Earth’s gravity is a force that pulls things toward the center of Earth.

• Gravity is what made Juan's ball roll down the ramp.

• This force is what causes things to fall back down when thrown up in the air.

Multiple Choice

Betty and Carlos are playing tennis. Betty hits the ball to Carlos. What will happen when Carlos hits the ball with his racquet?

• The ball will drop right to the ground.

• The ball will fly off into the air, never to return.

• The direction of the ball will change.

• The ball will store energy inside of itself.

Change In Direction

Notice when the ball is hit with the racket it is forced to go in a different direction than it was just going.

Multiple Choice

Susan wants to know a race car’s speed. She knows the distance the car travels on the track. What else does Susan need to know to figure out the race car’s speed?

• The time it takes to complete the race.

• Who is driving the car.

• If the car is fast or not.

• She already knows everything she needs to know.

Multiple Choice

What is an example of a pull?

The Pull of Gravity

When an apple falls off of a tree it is being pulled to the center of the Earth. When things fall they do not just float off, they are brought down.

Multiple Choice

Brandon takes his ball and throws it straight up into the air. What causes that ball to change directions and come back down?

• The push of the wind.

• The pull of the gravity.

• The pull of the wind.

• The push of the gravity.

The Pull of Gravity Part 2

We have gone over that the force of gravity is a pull. This is what causes a ball to fall back down after it is thrown in the air. The gravity creates a pull on that ball and changes the direction of the ball.

Multiple Choice

What is the scientific way to describe the weight of an object?

• Weight is the measure of gravity’s pull on an object.

• Weight is the measure of gravity’s push on an object.

• Weight is the measure of of the size of an object.

• Weight is the measure of an object that is small or heavy.

Multiple Choice

Dave rolls a toy car on a tile floor and on a carpet. What causes the car to roll more slowly on the carpet?

• The pull of the carpet.

• The push of Dave on the car.

• There is less friction on the carpet.

• There is more friction on the carpet.

Multiple Choice

Julie is pushing Alan around on a merry-go-round. What can Julie do to make Alan go faster?

• Julie can push Alan in the opposite direction.

• Julie can push with more force.

• Julie begin to pull the merry-go-round instead.

• Julie can try pushing with less force.

When pushing something with more force we can see an increase in speed.

Multiple Choice

Ken and Steve pull as hard as they can on either end of a rope. What makes the rope slowly move toward Ken?

• Ken is using more force than Steve to pull the rope.

• Steve is using more force than Steve to pull the rope.

Look at the force of pull in action.

Multiple Choice

Martin pushes a 100g ball and a 500g ball from the same starting point with the same force. What will most likely happen?

• The 500g ball will move more easily.

• The 100g ball will move more easily.

• Both balls will move at the same time.

Multiple Choice

John poured hot chocolate into a cold mug. Why did the outside of the mug start to feel warm?

• Light energy was released

• Heat energy was released

• Energy in motion was released

• Wind energy was released

This mug actually shows when heat travels through the mug, creating a new image.

Multiple Choice

Dorothy lets go of a ball at the top of a hill. What kind of energy does the ball use as it moved down the hill?

• Chemical Energy

• Heat Energy

• Mechanical Energy

• Light Energy

Multiple Select

Which of these best describes the scientific idea of energy?

• force that can cause motion

• the power to get a lot of work done

• a source of fuel for our cars and homes

• the ability to create change

Multiple Choice

If Wayne put a cold brick on top of a hot brick.

The heat from the hot brick will flow to the cold brick.

• True

• False

Although no bricks here, we can see the transfer of heat.

Multiple Choice

Why are leather and plastic used to make safety clothing for people who work with heat?

• They are poor conductors of heat.

• They are good conductors of heat.

Open Ended

Campers use many different forms of energy when they go on a trip. Give an example of the campers using light energy.

Poll

How are you feeling about your science test?

• Feeling great and ready to go! 🔥

• Feeling alright. I need to review my notes and study guide.🧐

• 🚨 There is going to be a whole lot of studying tonight!🚨