Match the word and the definition.
1. Force A. a force which slows down an object in motion
2. Gravity B. A push or pull
3. Friction C. A force which pulls objects to Earth.
4. Magnetism D. A force which attracts a metal object
1. Force B. A push or pull
2. Gravity C. A force which pulls objects to Earth.
3. Friction A. a force which slows down an object in motion
4. Magnetism D. A force which attracts a metal object
100
Write down the vocabulary words which match the definitions.
1. The location of an object.
2. How fast an object changes positions or moves.
3. The location of an object in comparison with another object.
4. A change in location of an object.
1. Position
2. Speed
3. Relative position
4. Motion
100
What is the name given to a device which makes every day action easier?
A simple machine.
100
Match the definition and the vocabulary words.
A. Energy A. The energy of moving particles
B. Kinetic Energy B.The ability to do work or cause change.
C. Thermal Energy C. Stored energy
D. Potential Energy D. The energy of motion
A. Energy B.The ability to do work or cause change.
B. Kinetic Energy D. The energy of motion
C. Thermal Energy A. The energy of moving particles
D. Potential Energy C. Stored energy
100
What is a star and give an example.
It is a ball of hot, glowing gases.
Example: The Sun.
200
If a bicyclist travels at a VARIABLE speed, which answer best matches the speed he travels?
A. 5mph, 5mph, 5mph, 5mph.
B. 2mph, 4mph, 8mph, 4mph.
B. 2mph, 4mph, 8mph, 4mph.
200
Look at the diagrams on your worksheet, which two images show a pull? A, B, C or D?
A and D.
200
A person needs to carry a heavy box up some stairs. Which simple machine would make the job easier?
1. Wedge 2. Wheel and axle
3. Lever 4. Pulley
5. Screw 6. Inclined plane
6. Inclined plane.
200
You see a car moving on a road and a skier going down a slope. Which kind of energy do these two people have?
Kinetic energy.
200
Match the vocabulary word and the definition.
1. Rotation A. One trip around the Sun, 365 days
2. Revolution B. One complete spin, 24 hours, 1 day
1. Rotation B. One complete spin, 24 hours, 1 day
2. Revolution A. One trip around the Sun, 365 days.
300
At noon, are shadows LONG or SHORT?
Short.
300
When a child throws a ball, GRAVITY acts on the ball. What happens to the ball?
It moves towards the ground.
300
Which simple machine would help you to cut a plank of wood?
1. A screw 2. A wedge
3. A pulley 4. A lever
2. A wedge
300
What is a sign of friction?
A. When a match burns
B. When you rub your hands together
C. When you cook food in a pot
B. When you rub your hands together
300
What might we use to look at, or magnify, objects that are far away?
A telescope
400
What do you call a group of stars which make a picture in the sky?
A constellation.
400
You roll a car along a bumpy carpet and a smooth floor. Which will have the least friction?
The smooth floor.
400
Which simple machine will help you to open the blinds in the classroom?
A pulley
400
What happens when heat is applied to liquid?
The liquid evaporates and becomes a gas.
400
Draw an illustration of a full Moon and a first quarter Moon.
Answers may vary.
500
How can Team Red BEAT Team Blue at a game of Tug-of-War?
Team Red pulls with a greater force than Team Blue.
500
You have a heavy box, a medium weight box and a light box. Which will move the greatest distance when it is pushed?
The light box.
500
What is the name of the simple machine which is made of a stiff bar that rests on a support?
A lever
500
How does a person on a skateboard change potential energy to kinetic energy?
Move the skateboard.
500
Fill in the blanks.
The moon looks different in each __________ and sometimes there is a __________________ which is caused by the movement of Earth and the Moon which may block the Sun.
The moon looks different in each PHASE and sometimes there is a LUNAR ECLIPSE which is caused by the movement of Earth and the Moon which may block the Sun.